77390180

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{552787}}^1$

素因数の和:552803

約数の個数: 24

約数和(自身を含む): 185736768

約数和(自身を除く): 108346588

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 552787, 1105574, 2211148, 2763935, 3869509, 5527870, 7739018, 11055740, 15478036, 19347545, 38695090, 77390180]

約数ペア:

[(1, 77390180), (2, 38695090), (4, 19347545), (5, 15478036), (7, 11055740), (10, 7739018), (14, 5527870), (20, 3869509), (28, 2763935), (35, 2211148), (70, 1105574), (140, 552787)]