import pypyjit
pypyjit.set_param("max_unroll_recursion=-1")
import sys
sys.setrecursionlimit(10**7)

from functools import cache
MOD = 998244353
N, X = list(map(int, input().split()))
A = list(map(int, input().split()))

@cache
def f(n, x):
    if n == N:
        return 1
    ret = f(n + 1, A[n])
    if x % A[n] == 0:
        ret += f(n + 1, x // A[n])
        if ret > MOD:
            ret -= MOD
    return ret

for i in range(N-1,0,-1):f(i,A[i-1])
print(f(0, X))