1657622020

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{149}}^1\times {\mathrm{19181}}^1$

素因数の和:19368

約数の個数: 48

約数和(自身を含む): 3625398000

約数和(自身を除く): 1967775980

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 149, 290, 298, 580, 596, 745, 1490, 2980, 4321, 8642, 17284, 19181, 21605, 38362, 43210, 76724, 86420, 95905, 191810, 383620, 556249, 1112498, 2224996, 2781245, 2857969, 5562490, 5715938, 11124980, 11431876, 14289845, 28579690, 57159380, 82881101, 165762202, 331524404, 414405505, 828811010, 1657622020]

約数ペア:

[(1, 1657622020), (2, 828811010), (4, 414405505), (5, 331524404), (10, 165762202), (20, 82881101), (29, 57159380), (58, 28579690), (116, 14289845), (145, 11431876), (149, 11124980), (290, 5715938), (298, 5562490), (580, 2857969), (596, 2781245), (745, 2224996), (1490, 1112498), (2980, 556249), (4321, 383620), (8642, 191810), (17284, 95905), (19181, 86420), (21605, 76724), (38362, 43210)]