2857540

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{20411}}^1$

素因数の和:20427

約数の個数: 24

約数和(自身を含む): 6858432

約数和(自身を除く): 4000892

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 20411, 40822, 81644, 102055, 142877, 204110, 285754, 408220, 571508, 714385, 1428770, 2857540]

約数ペア:

[(1, 2857540), (2, 1428770), (4, 714385), (5, 571508), (7, 408220), (10, 285754), (14, 204110), (20, 142877), (28, 102055), (35, 81644), (70, 40822), (140, 20411)]