1280147290

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{4414301}}^1$

素因数の和:4414337

約数の個数: 16

約数和(自身を含む): 2383723080

約数和(自身を除く): 1103575790

約数列:

[1, 2, 5, 10, 29, 58, 145, 290, 4414301, 8828602, 22071505, 44143010, 128014729, 256029458, 640073645, 1280147290]

約数ペア:

[(1, 1280147290), (2, 640073645), (5, 256029458), (10, 128014729), (29, 44143010), (58, 22071505), (145, 8828602), (290, 4414301)]