217877060

素因数分解:

$2^2\times 5^1\times {\mathrm{1607}}^1\times {\mathrm{6779}}^1$

素因数の和:8395

約数の個数: 24

約数和(自身を含む): 457894080

約数和(自身を除く): 240017020

約数列:

[1, 2, 4, 5, 10, 20, 1607, 3214, 6428, 6779, 8035, 13558, 16070, 27116, 32140, 33895, 67790, 135580, 10893853, 21787706, 43575412, 54469265, 108938530, 217877060]

約数ペア:

[(1, 217877060), (2, 108938530), (4, 54469265), (5, 43575412), (10, 21787706), (20, 10893853), (1607, 135580), (3214, 67790), (6428, 33895), (6779, 32140), (8035, 27116), (13558, 16070)]