28704620

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{205033}}^1$

素因数の和:205049

約数の個数: 24

約数和(自身を含む): 68891424

約数和(自身を除く): 40186804

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 205033, 410066, 820132, 1025165, 1435231, 2050330, 2870462, 4100660, 5740924, 7176155, 14352310, 28704620]

約数ペア:

[(1, 28704620), (2, 14352310), (4, 7176155), (5, 5740924), (7, 4100660), (10, 2870462), (14, 2050330), (20, 1435231), (28, 1025165), (35, 820132), (70, 410066), (140, 205033)]