239457640

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{6659}}^1$

素因数の和:6730

約数の個数: 64

約数和(自身を含む): 575424000

約数和(自身を除く): 335966360

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 31, 40, 58, 62, 116, 124, 145, 155, 232, 248, 290, 310, 580, 620, 899, 1160, 1240, 1798, 3596, 4495, 6659, 7192, 8990, 13318, 17980, 26636, 33295, 35960, 53272, 66590, 133180, 193111, 206429, 266360, 386222, 412858, 772444, 825716, 965555, 1032145, 1544888, 1651432, 1931110, 2064290, 3862220, 4128580, 5986441, 7724440, 8257160, 11972882, 23945764, 29932205, 47891528, 59864410, 119728820, 239457640]

約数ペア:

[(1, 239457640), (2, 119728820), (4, 59864410), (5, 47891528), (8, 29932205), (10, 23945764), (20, 11972882), (29, 8257160), (31, 7724440), (40, 5986441), (58, 4128580), (62, 3862220), (116, 2064290), (124, 1931110), (145, 1651432), (155, 1544888), (232, 1032145), (248, 965555), (290, 825716), (310, 772444), (580, 412858), (620, 386222), (899, 266360), (1160, 206429), (1240, 193111), (1798, 133180), (3596, 66590), (4495, 53272), (6659, 35960), (7192, 33295), (8990, 26636), (13318, 17980)]