120858890

素因数分解:

$2^1\times 5^1\times {\mathrm{151}}^1\times {\mathrm{80039}}^1$

素因数の和:80197

約数の個数: 16

約数和(自身を含む): 218989440

約数和(自身を除く): 98130550

約数列:

[1, 2, 5, 10, 151, 302, 755, 1510, 80039, 160078, 400195, 800390, 12085889, 24171778, 60429445, 120858890]

約数ペア:

[(1, 120858890), (2, 60429445), (5, 24171778), (10, 12085889), (151, 800390), (302, 400195), (755, 160078), (1510, 80039)]