28760620

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{205433}}^1$

素因数の和:205449

約数の個数: 24

約数和(自身を含む): 69025824

約数和(自身を除く): 40265204

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 205433, 410866, 821732, 1027165, 1438031, 2054330, 2876062, 4108660, 5752124, 7190155, 14380310, 28760620]

約数ペア:

[(1, 28760620), (2, 14380310), (4, 7190155), (5, 5752124), (7, 4108660), (10, 2876062), (14, 2054330), (20, 1438031), (28, 1027165), (35, 821732), (70, 410866), (140, 205433)]