2011995640

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{1231}}^1\times {\mathrm{1409}}^1$

素因数の和:2680

約数の個数: 64

約数和(自身を含む): 4690224000

約数和(自身を除く): 2678228360

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 58, 116, 145, 232, 290, 580, 1160, 1231, 1409, 2462, 2818, 4924, 5636, 6155, 7045, 9848, 11272, 12310, 14090, 24620, 28180, 35699, 40861, 49240, 56360, 71398, 81722, 142796, 163444, 178495, 204305, 285592, 326888, 356990, 408610, 713980, 817220, 1427960, 1634440, 1734479, 3468958, 6937916, 8672395, 13875832, 17344790, 34689580, 50299891, 69379160, 100599782, 201199564, 251499455, 402399128, 502998910, 1005997820, 2011995640]

約数ペア:

[(1, 2011995640), (2, 1005997820), (4, 502998910), (5, 402399128), (8, 251499455), (10, 201199564), (20, 100599782), (29, 69379160), (40, 50299891), (58, 34689580), (116, 17344790), (145, 13875832), (232, 8672395), (290, 6937916), (580, 3468958), (1160, 1734479), (1231, 1634440), (1409, 1427960), (2462, 817220), (2818, 713980), (4924, 408610), (5636, 356990), (6155, 326888), (7045, 285592), (9848, 204305), (11272, 178495), (12310, 163444), (14090, 142796), (24620, 81722), (28180, 71398), (35699, 56360), (40861, 49240)]