def check(a, x, y):
    if a <= 0:
        return False
    b, c = x // a, x % a
    return b > 0 and c > 0 and a * c + b == y
def solve():
    x, y = map(int, input().split())
    ans = 0
    for a in range(1, x + y):
        if a * a > x + y:
            break
        if (x + y) % a:
            continue
        u = a - 1
        if check(u, x, y):
            ans += 1
        u = (x + y) // a - 1
        if u != a - 1 and check(u, x, y):
            ans += 1
    print(ans)
t = int(input())
for _ in range(t):
    solve()