390996890

素因数分解:

$2^1\times 5^1\times {\mathrm{229}}^1\times {\mathrm{170741}}^1$

素因数の和:170977

約数の個数: 16

約数和(自身を含む): 706871880

約数和(自身を除く): 315874990

約数列:

[1, 2, 5, 10, 229, 458, 1145, 2290, 170741, 341482, 853705, 1707410, 39099689, 78199378, 195498445, 390996890]

約数ペア:

[(1, 390996890), (2, 195498445), (5, 78199378), (10, 39099689), (229, 1707410), (458, 853705), (1145, 341482), (2290, 170741)]