230712980

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{6521}}^1$

素因数の和:6620

約数の個数: 48

約数和(自身を含む): 509498640

約数和(自身を除く): 278785660

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 61, 116, 122, 145, 244, 290, 305, 580, 610, 1220, 1769, 3538, 6521, 7076, 8845, 13042, 17690, 26084, 32605, 35380, 65210, 130420, 189109, 378218, 397781, 756436, 795562, 945545, 1591124, 1891090, 1988905, 3782180, 3977810, 7955620, 11535649, 23071298, 46142596, 57678245, 115356490, 230712980]

約数ペア:

[(1, 230712980), (2, 115356490), (4, 57678245), (5, 46142596), (10, 23071298), (20, 11535649), (29, 7955620), (58, 3977810), (61, 3782180), (116, 1988905), (122, 1891090), (145, 1591124), (244, 945545), (290, 795562), (305, 756436), (580, 397781), (610, 378218), (1220, 189109), (1769, 130420), (3538, 65210), (6521, 35380), (7076, 32605), (8845, 26084), (13042, 17690)]