386397020

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{623221}}^1$

素因数の和:623261

約数の個数: 24

約数和(自身を含む): 837610368

約数和(自身を除く): 451213348

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 623221, 1246442, 2492884, 3116105, 6232210, 12464420, 19319851, 38639702, 77279404, 96599255, 193198510, 386397020]

約数ペア:

[(1, 386397020), (2, 193198510), (4, 96599255), (5, 77279404), (10, 38639702), (20, 19319851), (31, 12464420), (62, 6232210), (124, 3116105), (155, 2492884), (310, 1246442), (620, 623221)]