157100980

素因数分解:

$2^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{99431}}^1$

素因数の和:99519

約数の個数: 24

約数和(自身を含む): 334091520

約数和(自身を除く): 176990540

約数列:

[1, 2, 4, 5, 10, 20, 79, 158, 316, 395, 790, 1580, 99431, 198862, 397724, 497155, 994310, 1988620, 7855049, 15710098, 31420196, 39275245, 78550490, 157100980]

約数ペア:

[(1, 157100980), (2, 78550490), (4, 39275245), (5, 31420196), (10, 15710098), (20, 7855049), (79, 1988620), (158, 994310), (316, 497155), (395, 397724), (790, 198862), (1580, 99431)]