402717820

素因数分解:

$2^2\times 5^1\times {\mathrm{379}}^1\times {\mathrm{53129}}^1$

素因数の和:53517

約数の個数: 24

約数和(自身を含む): 847954800

約数和(自身を除く): 445236980

約数列:

[1, 2, 4, 5, 10, 20, 379, 758, 1516, 1895, 3790, 7580, 53129, 106258, 212516, 265645, 531290, 1062580, 20135891, 40271782, 80543564, 100679455, 201358910, 402717820]

約数ペア:

[(1, 402717820), (2, 201358910), (4, 100679455), (5, 80543564), (10, 40271782), (20, 20135891), (379, 1062580), (758, 531290), (1516, 265645), (1895, 212516), (3790, 106258), (7580, 53129)]