2861740

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{20441}}^1$

素因数の和:20457

約数の個数: 24

約数和(自身を含む): 6868512

約数和(自身を除く): 4006772

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 20441, 40882, 81764, 102205, 143087, 204410, 286174, 408820, 572348, 715435, 1430870, 2861740]

約数ペア:

[(1, 2861740), (2, 1430870), (4, 715435), (5, 572348), (7, 408820), (10, 286174), (14, 204410), (20, 143087), (28, 102205), (35, 81764), (70, 40882), (140, 20441)]