68897260

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{202639}}^1$

素因数の和:202665

約数の個数: 24

約数和(自身を含む): 153195840

約数和(自身を除く): 84298580

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 202639, 405278, 810556, 1013195, 2026390, 3444863, 4052780, 6889726, 13779452, 17224315, 34448630, 68897260]

約数ペア:

[(1, 68897260), (2, 34448630), (4, 17224315), (5, 13779452), (10, 6889726), (17, 4052780), (20, 3444863), (34, 2026390), (68, 1013195), (85, 810556), (170, 405278), (340, 202639)]