225471980

素因数分解:

$2^2\times 5^1\times {\mathrm{179}}^1\times {\mathrm{62981}}^1$

素因数の和:63169

約数の個数: 24

約数和(自身を含む): 476143920

約数和(自身を除く): 250671940

約数列:

[1, 2, 4, 5, 10, 20, 179, 358, 716, 895, 1790, 3580, 62981, 125962, 251924, 314905, 629810, 1259620, 11273599, 22547198, 45094396, 56367995, 112735990, 225471980]

約数ペア:

[(1, 225471980), (2, 112735990), (4, 56367995), (5, 45094396), (10, 22547198), (20, 11273599), (179, 1259620), (358, 629810), (716, 314905), (895, 251924), (1790, 125962), (3580, 62981)]