#line 1 "/workspaces/compro/lib/template.hpp"


#line 1 "/workspaces/compro/lib/io/vector.hpp"
#include <iostream>
#include <vector>

#ifndef IO_VECTOR
#define IO_VECTOR

template <class T> std::ostream &operator<<(std::ostream &out, const std::vector<T> &v) {
  int size = v.size();
  for (int i = 0; i < size; i++) {
    std::cout << v[i];
    if (i != size - 1)
      std::cout << " ";
  }
  return out;
}

template <class T> std::istream &operator>>(std::istream &in, std::vector<T> &v) {
  for (auto &el : v) {
    std::cin >> el;
  }
  return in;
}

#endif
#line 4 "/workspaces/compro/lib/template.hpp"
#include <bits/stdc++.h>
#define REP(i, n) for (int i = 0; i < n; i++)
#define FOR(i, m, n) for (int i = m; i < n; i++)
#define ALL(v) (v).begin(), (v).end()
#define coutd(n) cout << fixed << setprecision(n)
#define ll long long int
#define vl vector<ll>
#define vi vector<int>
#define MM << " " <<

using namespace std;

template <class T> void say(bool val, T yes, T no) { cout << (val ? yes : no) << "\n"; }

void say(bool val, string yes = "Yes", string no = "No") { say<string>(val, yes, no); }

template <class T> void chmin(T &a, T b) {
  if (a > b)
    a = b;
}

template <class T> void chmax(T &a, T b) {
  if (a < b)
    a = b;
}

// C++ 17に完全移行したら消す
// 最大公約数を求める
template <class T> T gcd(T n, T m) { return n ? gcd(m % n, n) : m; }

// 最小公倍数を求める
template <class T> T lcm(T n, T m) {
  int g = gcd(n, m);
  return n * m / g;
}

// 重複を消す。計算量はO(NlogN)
template <class T> void unique(std::vector<T> &v) {
  std::sort(v.begin(), v.end());
  v.erase(std::unique(v.begin(), v.end()), v.end());
}


#line 2 "main.cpp"

ll solve(ll x, ll y) {
  ll n = x + y;
  ll m = max(x, y) - min(x, y);

  set<ll> s;
  for (ll i = 1; i * i <= n; i++) {
    if (n % i == 0) {
      s.insert(i - 1);
      s.insert(n / i - 1);
    }
  }

  int ans = 0;

  vl candidate;
  for (ll i = 1; i * i <= m; i++) {
    if (m % i == 0) {
      if (s.count(i + 1)) {
        candidate.push_back(i + 1);
      }
      if (i != m / i && s.count(m / i + 1)) {
        candidate.push_back(m / i + 1);
      }
    }
  }

  auto isIn = [&](ll l, ll t, ll u) -> bool { return l < t && t < u; };

  for (const auto &a : candidate) {
    ll u = n / (a + 1), v = m / (a - 1);
    if (u % 2 != v % 2)
      continue;
    int b, c;
    if (x > y) {
      b = (u + v) / 2;
      c = (u - v) / 2;
    } else {
      b = (u - v) / 2;
      c = (u + v) / 2;
    }
    if (isIn(0, a, min(x, y)) && isIn(0, b, y) && isIn(0, c, x) && a * b == x - c && a * c == y - b)
      ans++;
  }
  return ans;
}

// generated by online-judge-template-generator v4.4.0 (https://github.com/kmyk/online-judge-template-generator)
int main() {
  int S;
  std::cin >> S;
  // failed to analyze output format
  // TODO: edit here
  REP(i, S) {
    int x, y;
    cin >> x >> y;
    cout << solve(x, y) << endl;
  }
  return 0;
}