256329260

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{40177}}^1$

素因数の和:40226

約数の個数: 48

約数和(自身を含む): 607491360

約数和(自身を除く): 351162100

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 29, 44, 55, 58, 110, 116, 145, 220, 290, 319, 580, 638, 1276, 1595, 3190, 6380, 40177, 80354, 160708, 200885, 401770, 441947, 803540, 883894, 1165133, 1767788, 2209735, 2330266, 4419470, 4660532, 5825665, 8838940, 11651330, 12816463, 23302660, 25632926, 51265852, 64082315, 128164630, 256329260]

約数ペア:

[(1, 256329260), (2, 128164630), (4, 64082315), (5, 51265852), (10, 25632926), (11, 23302660), (20, 12816463), (22, 11651330), (29, 8838940), (44, 5825665), (55, 4660532), (58, 4419470), (110, 2330266), (116, 2209735), (145, 1767788), (220, 1165133), (290, 883894), (319, 803540), (580, 441947), (638, 401770), (1276, 200885), (1595, 160708), (3190, 80354), (6380, 40177)]