30857540

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{220411}}^1$

素因数の和:220427

約数の個数: 24

約数和(自身を含む): 74058432

約数和(自身を除く): 43200892

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 220411, 440822, 881644, 1102055, 1542877, 2204110, 3085754, 4408220, 6171508, 7714385, 15428770, 30857540]

約数ペア:

[(1, 30857540), (2, 15428770), (4, 7714385), (5, 6171508), (7, 4408220), (10, 3085754), (14, 2204110), (20, 1542877), (28, 1102055), (35, 881644), (70, 440822), (140, 220411)]