858672020

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{36109}}^1$

素因数の和:36188

約数の個数: 48

約数和(自身を含む): 1910941200

約数和(自身を除く): 1052269180

約数列:

[1, 2, 4, 5, 10, 20, 29, 41, 58, 82, 116, 145, 164, 205, 290, 410, 580, 820, 1189, 2378, 4756, 5945, 11890, 23780, 36109, 72218, 144436, 180545, 361090, 722180, 1047161, 1480469, 2094322, 2960938, 4188644, 5235805, 5921876, 7402345, 10471610, 14804690, 20943220, 29609380, 42933601, 85867202, 171734404, 214668005, 429336010, 858672020]

約数ペア:

[(1, 858672020), (2, 429336010), (4, 214668005), (5, 171734404), (10, 85867202), (20, 42933601), (29, 29609380), (41, 20943220), (58, 14804690), (82, 10471610), (116, 7402345), (145, 5921876), (164, 5235805), (205, 4188644), (290, 2960938), (410, 2094322), (580, 1480469), (820, 1047161), (1189, 722180), (2378, 361090), (4756, 180545), (5945, 144436), (11890, 72218), (23780, 36109)]