396800530

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{809797}}^1$

素因数の和:809818

約数の個数: 24

約数和(自身を含む): 830852748

約数和(自身を除く): 434052218

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 490, 809797, 1619594, 4048985, 5668579, 8097970, 11337158, 28342895, 39680053, 56685790, 79360106, 198400265, 396800530]

約数ペア:

[(1, 396800530), (2, 198400265), (5, 79360106), (7, 56685790), (10, 39680053), (14, 28342895), (35, 11337158), (49, 8097970), (70, 5668579), (98, 4048985), (245, 1619594), (490, 809797)]