256317370

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{307}}^1\times {\mathrm{2879}}^1$

素因数の和:3222

約数の個数: 32

約数和(自身を含む): 479001600

約数和(自身を除く): 222684230

約数列:

[1, 2, 5, 10, 29, 58, 145, 290, 307, 614, 1535, 2879, 3070, 5758, 8903, 14395, 17806, 28790, 44515, 83491, 89030, 166982, 417455, 834910, 883853, 1767706, 4419265, 8838530, 25631737, 51263474, 128158685, 256317370]

約数ペア:

[(1, 256317370), (2, 128158685), (5, 51263474), (10, 25631737), (29, 8838530), (58, 4419265), (145, 1767706), (290, 883853), (307, 834910), (614, 417455), (1535, 166982), (2879, 89030), (3070, 83491), (5758, 44515), (8903, 28790), (14395, 17806)]