219364990

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{1877}}^1$

素因数の和:1957

約数の個数: 64

約数和(自身を含む): 454325760

約数和(自身を除く): 234960770

約数列:

[1, 2, 5, 10, 13, 26, 29, 31, 58, 62, 65, 130, 145, 155, 290, 310, 377, 403, 754, 806, 899, 1798, 1877, 1885, 2015, 3754, 3770, 4030, 4495, 8990, 9385, 11687, 18770, 23374, 24401, 48802, 54433, 58187, 58435, 108866, 116374, 116870, 122005, 244010, 272165, 290935, 544330, 581870, 707629, 756431, 1415258, 1512862, 1687423, 3374846, 3538145, 3782155, 7076290, 7564310, 8437115, 16874230, 21936499, 43872998, 109682495, 219364990]

約数ペア:

[(1, 219364990), (2, 109682495), (5, 43872998), (10, 21936499), (13, 16874230), (26, 8437115), (29, 7564310), (31, 7076290), (58, 3782155), (62, 3538145), (65, 3374846), (130, 1687423), (145, 1512862), (155, 1415258), (290, 756431), (310, 707629), (377, 581870), (403, 544330), (754, 290935), (806, 272165), (899, 244010), (1798, 122005), (1877, 116870), (1885, 116374), (2015, 108866), (3754, 58435), (3770, 58187), (4030, 54433), (4495, 48802), (8990, 24401), (9385, 23374), (11687, 18770)]