#include <bits/stdc++.h>
#define rep(i,n) for(int i = 0;i<n;i++)
using namespace std;
int main(){
    int s;
    cin >> s;
    vector<int> ans(s);
    rep(ii,s){
        long long x,y;
        cin >> x >> y;
        long long t = x+y;
        int tmpans = 0;
        if(x==y) tmpans++;
        for(int i = 3;i<sqrt(t)+1;i++){
            if(t%i==0){
                long long a = i-1;
                long long b = x/a;
                long long c = x%a;
                if(y == (c*a+b)) tmpans++;

                a = (t/i)-1;
                b = x/a;
                c = x%a;
                if(y == (c*a+b)) tmpans++;                
            }
        }
        ans[ii]=tmpans;
    }
    rep(i,s) cout << ans[i] << endl;
}