220750490

素因数分解:

$2^1\times 5^1\times {\mathrm{79}}^1\times {\mathrm{279431}}^1$

素因数の和:279517

約数の個数: 16

約数和(自身を含む): 402382080

約数和(自身を除く): 181631590

約数列:

[1, 2, 5, 10, 79, 158, 395, 790, 279431, 558862, 1397155, 2794310, 22075049, 44150098, 110375245, 220750490]

約数ペア:

[(1, 220750490), (2, 110375245), (5, 44150098), (10, 22075049), (79, 2794310), (158, 1397155), (395, 558862), (790, 279431)]