309069620

素因数分解:

$2^2\times 5^1\times {\mathrm{15453481}}^1$

素因数の和:15453490

約数の個数: 12

約数和(自身を含む): 649046244

約数和(自身を除く): 339976624

約数列:

[1, 2, 4, 5, 10, 20, 15453481, 30906962, 61813924, 77267405, 154534810, 309069620]

約数ペア:

[(1, 309069620), (2, 154534810), (4, 77267405), (5, 61813924), (10, 30906962), (20, 15453481)]