42757540

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{305411}}^1$

素因数の和:305427

約数の個数: 24

約数和(自身を含む): 102618432

約数和(自身を除く): 59860892

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 305411, 610822, 1221644, 1527055, 2137877, 3054110, 4275754, 6108220, 8551508, 10689385, 21378770, 42757540]

約数ペア:

[(1, 42757540), (2, 21378770), (4, 10689385), (5, 8551508), (7, 6108220), (10, 4275754), (14, 3054110), (20, 2137877), (28, 1527055), (35, 1221644), (70, 610822), (140, 305411)]