388632023740

素因数分解:

$2^2\times 5^1\times {\mathrm{7681}}^1\times {\mathrm{2529827}}^1$

素因数の和:2537517

約数の個数: 24

約数和(自身を含む): 816233825232

約数和(自身を除く): 427601801492

約数列:

[1, 2, 4, 5, 10, 20, 7681, 15362, 30724, 38405, 76810, 153620, 2529827, 5059654, 10119308, 12649135, 25298270, 50596540, 19431601187, 38863202374, 77726404748, 97158005935, 194316011870, 388632023740]

約数ペア:

[(1, 388632023740), (2, 194316011870), (4, 97158005935), (5, 77726404748), (10, 38863202374), (20, 19431601187), (7681, 50596540), (15362, 25298270), (30724, 12649135), (38405, 10119308), (76810, 5059654), (153620, 2529827)]