391096020

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{931181}}^1$

素因数の和:931200

約数の個数: 48

約数和(自身を含む): 1251508608

約数和(自身を除く): 860412588

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 931181, 1862362, 2793543, 3724724, 4655905, 5587086, 6518267, 9311810, 11174172, 13036534, 13967715, 18623620, 19554801, 26073068, 27935430, 32591335, 39109602, 55870860, 65182670, 78219204, 97774005, 130365340, 195548010, 391096020]

約数ペア:

[(1, 391096020), (2, 195548010), (3, 130365340), (4, 97774005), (5, 78219204), (6, 65182670), (7, 55870860), (10, 39109602), (12, 32591335), (14, 27935430), (15, 26073068), (20, 19554801), (21, 18623620), (28, 13967715), (30, 13036534), (35, 11174172), (42, 9311810), (60, 6518267), (70, 5587086), (84, 4655905), (105, 3724724), (140, 2793543), (210, 1862362), (420, 931181)]