157217980

素因数分解:

$2^2\times 5^1\times {\mathrm{1291}}^1\times {\mathrm{6089}}^1$

素因数の和:7389

約数の個数: 24

約数和(自身を含む): 330467760

約数和(自身を除く): 173249780

約数列:

[1, 2, 4, 5, 10, 20, 1291, 2582, 5164, 6089, 6455, 12178, 12910, 24356, 25820, 30445, 60890, 121780, 7860899, 15721798, 31443596, 39304495, 78608990, 157217980]

約数ペア:

[(1, 157217980), (2, 78608990), (4, 39304495), (5, 31443596), (10, 15721798), (20, 7860899), (1291, 121780), (2582, 60890), (5164, 30445), (6089, 25820), (6455, 24356), (12178, 12910)]