#include <cstdio>
#include <cstring>
#include <iostream>
#include <string>
#include <cmath>
#include <bitset>
#include <vector>
#include <map>
#include <set>
#include <queue>
#include <deque>
#include <algorithm>
#include <complex>
#include <unordered_map>
#include <unordered_set>
#include <random>
#include <cassert>
#include <fstream>
#include <utility>
#include <functional>
#include <time.h>
#include <stack>
#include <array>
#define popcount __builtin_popcount
using namespace std;
typedef long long int ll;
typedef pair<int, int> P;
ll calc(ll a, ll s, ll x, ll y){
    if(a==0) return 0;
    if(a==1){
        if(x==y) return s-1;
      else return 0;
    }
    if(x<=s) return 0;
    if((x-s)%(a-1)==0 && (x-s)/(a-1)<s) return 1;
    else return 0;
}
ll solve(ll x, ll y){
    ll ans=0;
    for(ll i=1; i*i<=x+y; i++){
        if((x+y)%i!=0) continue;
        ll z=(x+y)/i;
        if(i>1){
            ans+=calc(i-1, z, x, y);
        }
        if(i*i<x+y){
            ans+=calc(z-1, i, x, y);
        }
    }
    return ans;
}
int main()
{
    int s; cin>>s;
    while(s--){
        ll x, y; cin>>x>>y;
        cout<<solve(x, y)<<endl;
    }
    return 0;
}