256056470

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{23687}}^1$

素因数の和:23764

約数の個数: 32

約数和(自身を含む): 491194368

約数和(自身を除く): 235137898

約数列:

[1, 2, 5, 10, 23, 46, 47, 94, 115, 230, 235, 470, 1081, 2162, 5405, 10810, 23687, 47374, 118435, 236870, 544801, 1089602, 1113289, 2226578, 2724005, 5448010, 5566445, 11132890, 25605647, 51211294, 128028235, 256056470]

約数ペア:

[(1, 256056470), (2, 128028235), (5, 51211294), (10, 25605647), (23, 11132890), (46, 5566445), (47, 5448010), (94, 2724005), (115, 2226578), (230, 1113289), (235, 1089602), (470, 544801), (1081, 236870), (2162, 118435), (5405, 47374), (10810, 23687)]