#include <bits/stdc++.h>
using namespace std;

using Int = long long;
const char newl = '\n';

template<typename T1,typename T2> inline void chmin(T1 &a,T2 b){if(a>b) a=b;}
template<typename T1,typename T2> inline void chmax(T1 &a,T2 b){if(a<b) a=b;}
template<typename T> void drop(const T &x){cout<<x<<endl;exit(0);}
template<typename T=Int>
vector<T> read(size_t n){
  vector<T> ts(n);
  for(size_t i=0;i<n;i++) cin>>ts[i];
  return ts;
}

//INSERT ABOVE HERE
using P = pair<Int, Int>;
map<P, Int> memo;
signed solve(){
  Int x,y;
  cin>>x>>y;
  if(x>y) swap(x,y);
  if(memo.count(P(x,y))){
    cout<<memo[P(x,y)]<<newl;
    return 0;
  }
  Int &res=memo[P(x,y)];
  res=0;

  if(x==y){
    vector<Int> cand;
    for(Int i=1;i*i<=x;i++){
      if(x%i) continue;
      cand.emplace_back(i);
      if(i*i!=x) cand.emplace_back(x/i);
    }

    // 1 < a
    for(Int c:cand){
      Int a=x/c-1;
      Int b=c;
      if(1<a and 0<b and 0<c and a*b+c==x and a*c+b==y) res++;
    }

    // 1 == a
    res+=x-1;

    cout<<res<<newl;
    return 0;
  }

  Int d=y-x;
  vector<Int> cand;
  for(Int i=1;i*i<=d;i++){
    if(d%i) continue;
    cand.emplace_back(i);
    if(i*i!=d) cand.emplace_back(d/i);
  }

  for(Int t:cand){
    Int a=t+1;
    Int s=d/t;
    Int b=(x-s)/(a+1);
    Int c=s+b;
    if(0<a and 0<b and 0<c and a*b+c==x and a*c+b==y) res++;
  }

  cout<<res<<newl;
  return 0;
}
signed main(){
  cin.tie(0);
  ios::sync_with_stdio(0);

  Int T;
  cin>>T;
  while(T--) solve();
  return 0;
}