201814660

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{142123}}^1$

素因数の和:142203

約数の個数: 24

約数和(自身を含む): 429782976

約数和(自身を除く): 227968316

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 284, 355, 710, 1420, 142123, 284246, 568492, 710615, 1421230, 2842460, 10090733, 20181466, 40362932, 50453665, 100907330, 201814660]

約数ペア:

[(1, 201814660), (2, 100907330), (4, 50453665), (5, 40362932), (10, 20181466), (20, 10090733), (71, 2842460), (142, 1421230), (284, 710615), (355, 568492), (710, 284246), (1420, 142123)]