389642620

素因数分解:

$2^2\times 5^1\times {\mathrm{3187}}^1\times {\mathrm{6113}}^1$

素因数の和:9309

約数の個数: 24

約数和(自身を含む): 818640144

約数和(自身を除く): 428997524

約数列:

[1, 2, 4, 5, 10, 20, 3187, 6113, 6374, 12226, 12748, 15935, 24452, 30565, 31870, 61130, 63740, 122260, 19482131, 38964262, 77928524, 97410655, 194821310, 389642620]

約数ペア:

[(1, 389642620), (2, 194821310), (4, 97410655), (5, 77928524), (10, 38964262), (20, 19482131), (3187, 122260), (6113, 63740), (6374, 61130), (12226, 31870), (12748, 30565), (15935, 24452)]