213215180

素因数分解:

$2^2\times 5^1\times {\mathrm{113}}^1\times {\mathrm{94343}}^1$

素因数の和:94465

約数の個数: 24

約数和(自身を含む): 451719072

約数和(自身を除く): 238503892

約数列:

[1, 2, 4, 5, 10, 20, 113, 226, 452, 565, 1130, 2260, 94343, 188686, 377372, 471715, 943430, 1886860, 10660759, 21321518, 42643036, 53303795, 106607590, 213215180]

約数ペア:

[(1, 213215180), (2, 106607590), (4, 53303795), (5, 42643036), (10, 21321518), (20, 10660759), (113, 1886860), (226, 943430), (452, 471715), (565, 377372), (1130, 188686), (2260, 94343)]