2918860

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{20849}}^1$

素因数の和:20865

約数の個数: 24

約数和(自身を含む): 7005600

約数和(自身を除く): 4086740

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 20849, 41698, 83396, 104245, 145943, 208490, 291886, 416980, 583772, 729715, 1459430, 2918860]

約数ペア:

[(1, 2918860), (2, 1459430), (4, 729715), (5, 583772), (7, 416980), (10, 291886), (14, 208490), (20, 145943), (28, 104245), (35, 83396), (70, 41698), (140, 20849)]