120280390

素因数分解:

$2^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{169409}}^1$

素因数の和:169487

約数の個数: 16

約数和(自身を含む): 219555360

約数和(自身を除く): 99274970

約数列:

[1, 2, 5, 10, 71, 142, 355, 710, 169409, 338818, 847045, 1694090, 12028039, 24056078, 60140195, 120280390]

約数ペア:

[(1, 120280390), (2, 60140195), (5, 24056078), (10, 12028039), (71, 1694090), (142, 847045), (355, 338818), (710, 169409)]