68809540

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{202381}}^1$

素因数の和:202407

約数の個数: 24

約数和(自身を含む): 153000792

約数和(自身を除く): 84191252

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 202381, 404762, 809524, 1011905, 2023810, 3440477, 4047620, 6880954, 13761908, 17202385, 34404770, 68809540]

約数ペア:

[(1, 68809540), (2, 34404770), (4, 17202385), (5, 13761908), (10, 6880954), (17, 4047620), (20, 3440477), (34, 2023810), (68, 1011905), (85, 809524), (170, 404762), (340, 202381)]