664446530

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{18701}}^1$

素因数の和:18755

約数の個数: 64

約数和(自身を含む): 1454267520

約数和(自身を除く): 789820990

約数列:

[1, 2, 5, 10, 11, 17, 19, 22, 34, 38, 55, 85, 95, 110, 170, 187, 190, 209, 323, 374, 418, 646, 935, 1045, 1615, 1870, 2090, 3230, 3553, 7106, 17765, 18701, 35530, 37402, 93505, 187010, 205711, 317917, 355319, 411422, 635834, 710638, 1028555, 1589585, 1776595, 2057110, 3179170, 3497087, 3553190, 3908509, 6040423, 6994174, 7817018, 12080846, 17485435, 19542545, 30202115, 34970870, 39085090, 60404230, 66444653, 132889306, 332223265, 664446530]

約数ペア:

[(1, 664446530), (2, 332223265), (5, 132889306), (10, 66444653), (11, 60404230), (17, 39085090), (19, 34970870), (22, 30202115), (34, 19542545), (38, 17485435), (55, 12080846), (85, 7817018), (95, 6994174), (110, 6040423), (170, 3908509), (187, 3553190), (190, 3497087), (209, 3179170), (323, 2057110), (374, 1776595), (418, 1589585), (646, 1028555), (935, 710638), (1045, 635834), (1615, 411422), (1870, 355319), (2090, 317917), (3230, 205711), (3553, 187010), (7106, 93505), (17765, 37402), (18701, 35530)]