135024220

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{217781}}^1$

素因数の和:217821

約数の個数: 24

約数和(自身を含む): 292699008

約数和(自身を除く): 157674788

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 217781, 435562, 871124, 1088905, 2177810, 4355620, 6751211, 13502422, 27004844, 33756055, 67512110, 135024220]

約数ペア:

[(1, 135024220), (2, 67512110), (4, 33756055), (5, 27004844), (10, 13502422), (20, 6751211), (31, 4355620), (62, 2177810), (124, 1088905), (155, 871124), (310, 435562), (620, 217781)]