87146780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{622477}}^1$

素因数の和:622493

約数の個数: 24

約数和(自身を含む): 209152608

約数和(自身を除く): 122005828

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 622477, 1244954, 2489908, 3112385, 4357339, 6224770, 8714678, 12449540, 17429356, 21786695, 43573390, 87146780]

約数ペア:

[(1, 87146780), (2, 43573390), (4, 21786695), (5, 17429356), (7, 12449540), (10, 8714678), (14, 6224770), (20, 4357339), (28, 3112385), (35, 2489908), (70, 1244954), (140, 622477)]