42752780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{305377}}^1$

素因数の和:305393

約数の個数: 24

約数和(自身を含む): 102607008

約数和(自身を除く): 59854228

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 305377, 610754, 1221508, 1526885, 2137639, 3053770, 4275278, 6107540, 8550556, 10688195, 21376390, 42752780]

約数ペア:

[(1, 42752780), (2, 21376390), (4, 10688195), (5, 8550556), (7, 6107540), (10, 4275278), (14, 3053770), (20, 2137639), (28, 1526885), (35, 1221508), (70, 610754), (140, 305377)]