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

#define int long long
template<class T>bool chmax(T &a, const T &b) { if (a<b) { a=b; return 1; } return 0; }
template<class T>bool chmin(T &a, const T &b) { if (b<a) { a=b; return 1; } return 0; }

void fast_input_init(){
	ios::sync_with_stdio(false);
	cin.tie(0);
}

int yta();

signed main(){
	fast_input_init();
	int s;
	cin >> s;
	while(s--) yta();

	return 0;
}

int x, y;
inline int valid(int a){
	if(a == 0) return 0;
	int sita = a*a-1;
	int ue = a*x-y;
	if(sita == 0 || ue <= 0 || ue%sita != 0) return 0;
	int b = ue/sita; 
	if(x-a*b <= 0) return 0;
	return 1;
}

int yta(){
	cin >> x >> y;

	int ans = 0;
	for(int i = 1;i*i <= x+y;i++){
		if((x+y)%i == 0){
			ans += valid(i-1);
			if(i*i < x+y) ans += valid((x+y)/i-1);
		}
	}
	cout << ans << endl;
}