68545820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{489613}}^1$

素因数の和:489629

約数の個数: 24

約数和(自身を含む): 164510304

約数和(自身を除く): 95964484

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 489613, 979226, 1958452, 2448065, 3427291, 4896130, 6854582, 9792260, 13709164, 17136455, 34272910, 68545820]

約数ペア:

[(1, 68545820), (2, 34272910), (4, 17136455), (5, 13709164), (7, 9792260), (10, 6854582), (14, 4896130), (20, 3427291), (28, 2448065), (35, 1958452), (70, 979226), (140, 489613)]