205175080

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{317}}^1\times {\mathrm{1471}}^1$

素因数の和:1810

約数の個数: 64

約数和(自身を含む): 505543680

約数和(自身を除く): 300368600

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 317, 440, 634, 1268, 1471, 1585, 2536, 2942, 3170, 3487, 5884, 6340, 6974, 7355, 11768, 12680, 13948, 14710, 16181, 17435, 27896, 29420, 32362, 34870, 58840, 64724, 69740, 80905, 129448, 139480, 161810, 323620, 466307, 647240, 932614, 1865228, 2331535, 3730456, 4663070, 5129377, 9326140, 10258754, 18652280, 20517508, 25646885, 41035016, 51293770, 102587540, 205175080]

約数ペア:

[(1, 205175080), (2, 102587540), (4, 51293770), (5, 41035016), (8, 25646885), (10, 20517508), (11, 18652280), (20, 10258754), (22, 9326140), (40, 5129377), (44, 4663070), (55, 3730456), (88, 2331535), (110, 1865228), (220, 932614), (317, 647240), (440, 466307), (634, 323620), (1268, 161810), (1471, 139480), (1585, 129448), (2536, 80905), (2942, 69740), (3170, 64724), (3487, 58840), (5884, 34870), (6340, 32362), (6974, 29420), (7355, 27896), (11768, 17435), (12680, 16181), (13948, 14710)]