256077830

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{12437}}^1$

素因数の和:12544

約数の個数: 32

約数和(自身を含む): 483589440

約数和(自身を除く): 227511610

約数列:

[1, 2, 5, 10, 29, 58, 71, 142, 145, 290, 355, 710, 2059, 4118, 10295, 12437, 20590, 24874, 62185, 124370, 360673, 721346, 883027, 1766054, 1803365, 3606730, 4415135, 8830270, 25607783, 51215566, 128038915, 256077830]

約数ペア:

[(1, 256077830), (2, 128038915), (5, 51215566), (10, 25607783), (29, 8830270), (58, 4415135), (71, 3606730), (142, 1803365), (145, 1766054), (290, 883027), (355, 721346), (710, 360673), (2059, 124370), (4118, 62185), (10295, 24874), (12437, 20590)]