7204220

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{8377}}^1$

素因数の和:8429

約数の個数: 24

約数和(自身を含む): 15482544

約数和(自身を除く): 8278324

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 215, 430, 860, 8377, 16754, 33508, 41885, 83770, 167540, 360211, 720422, 1440844, 1801055, 3602110, 7204220]

約数ペア:

[(1, 7204220), (2, 3602110), (4, 1801055), (5, 1440844), (10, 720422), (20, 360211), (43, 167540), (86, 83770), (172, 41885), (215, 33508), (430, 16754), (860, 8377)]