121578040

素因数分解:

$2^3\times 5^1\times {\mathrm{149}}^1\times {\mathrm{20399}}^1$

素因数の和:20559

約数の個数: 32

約数和(自身を含む): 275400000

約数和(自身を除く): 153821960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 149, 298, 596, 745, 1192, 1490, 2980, 5960, 20399, 40798, 81596, 101995, 163192, 203990, 407980, 815960, 3039451, 6078902, 12157804, 15197255, 24315608, 30394510, 60789020, 121578040]

約数ペア:

[(1, 121578040), (2, 60789020), (4, 30394510), (5, 24315608), (8, 15197255), (10, 12157804), (20, 6078902), (40, 3039451), (149, 815960), (298, 407980), (596, 203990), (745, 163192), (1192, 101995), (1490, 81596), (2980, 40798), (5960, 20399)]