168465460

素因数分解:

$2^2\times 5^1\times {\mathrm{1489}}^1\times {\mathrm{5657}}^1$

素因数の和:7155

約数の個数: 24

約数和(自身を含む): 354077640

約数和(自身を除く): 185612180

約数列:

[1, 2, 4, 5, 10, 20, 1489, 2978, 5657, 5956, 7445, 11314, 14890, 22628, 28285, 29780, 56570, 113140, 8423273, 16846546, 33693092, 42116365, 84232730, 168465460]

約数ペア:

[(1, 168465460), (2, 84232730), (4, 42116365), (5, 33693092), (10, 16846546), (20, 8423273), (1489, 113140), (2978, 56570), (5657, 29780), (5956, 28285), (7445, 22628), (11314, 14890)]