220663195

素因数分解:

$5^1\times {\mathrm{79}}^1\times {\mathrm{139}}^1\times {\mathrm{4019}}^1$

素因数の和:4242

約数の個数: 16

約数和(自身を含む): 270144000

約数和(自身を除く): 49480805

約数列:

[1, 5, 79, 139, 395, 695, 4019, 10981, 20095, 54905, 317501, 558641, 1587505, 2793205, 44132639, 220663195]

約数ペア:

[(1, 220663195), (5, 44132639), (79, 2793205), (139, 1587505), (395, 558641), (695, 317501), (4019, 54905), (10981, 20095)]