129618020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{925843}}^1$

素因数の和:925859

約数の個数: 24

約数和(自身を含む): 311083584

約数和(自身を除く): 181465564

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 925843, 1851686, 3703372, 4629215, 6480901, 9258430, 12961802, 18516860, 25923604, 32404505, 64809010, 129618020]

約数ペア:

[(1, 129618020), (2, 64809010), (4, 32404505), (5, 25923604), (7, 18516860), (10, 12961802), (14, 9258430), (20, 6480901), (28, 4629215), (35, 3703372), (70, 1851686), (140, 925843)]