628492040

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{73}}^1\times {\mathrm{1151}}^1$

素因数の和:1263

約数の個数: 128

約数和(自身を含む): 1657221120

約数和(自身を除く): 1028729080

約数列:

[1, 2, 4, 5, 8, 10, 11, 17, 20, 22, 34, 40, 44, 55, 68, 73, 85, 88, 110, 136, 146, 170, 187, 220, 292, 340, 365, 374, 440, 584, 680, 730, 748, 803, 935, 1151, 1241, 1460, 1496, 1606, 1870, 2302, 2482, 2920, 3212, 3740, 4015, 4604, 4964, 5755, 6205, 6424, 7480, 8030, 9208, 9928, 11510, 12410, 12661, 13651, 16060, 19567, 23020, 24820, 25322, 27302, 32120, 39134, 46040, 49640, 50644, 54604, 63305, 68255, 78268, 84023, 97835, 101288, 109208, 126610, 136510, 156536, 168046, 195670, 215237, 253220, 273020, 336092, 391340, 420115, 430474, 506440, 546040, 672184, 782680, 840230, 860948, 924253, 1076185, 1428391, 1680460, 1721896, 1848506, 2152370, 2856782, 3360920, 3697012, 4304740, 4621265, 5713564, 7141955, 7394024, 8609480, 9242530, 11427128, 14283910, 15712301, 18485060, 28567820, 31424602, 36970120, 57135640, 62849204, 78561505, 125698408, 157123010, 314246020, 628492040]

約数ペア:

[(1, 628492040), (2, 314246020), (4, 157123010), (5, 125698408), (8, 78561505), (10, 62849204), (11, 57135640), (17, 36970120), (20, 31424602), (22, 28567820), (34, 18485060), (40, 15712301), (44, 14283910), (55, 11427128), (68, 9242530), (73, 8609480), (85, 7394024), (88, 7141955), (110, 5713564), (136, 4621265), (146, 4304740), (170, 3697012), (187, 3360920), (220, 2856782), (292, 2152370), (340, 1848506), (365, 1721896), (374, 1680460), (440, 1428391), (584, 1076185), (680, 924253), (730, 860948), (748, 840230), (803, 782680), (935, 672184), (1151, 546040), (1241, 506440), (1460, 430474), (1496, 420115), (1606, 391340), (1870, 336092), (2302, 273020), (2482, 253220), (2920, 215237), (3212, 195670), (3740, 168046), (4015, 156536), (4604, 136510), (4964, 126610), (5755, 109208), (6205, 101288), (6424, 97835), (7480, 84023), (8030, 78268), (9208, 68255), (9928, 63305), (11510, 54604), (12410, 50644), (12661, 49640), (13651, 46040), (16060, 39134), (19567, 32120), (23020, 27302), (24820, 25322)]