61372780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{438377}}^1$

素因数の和:438393

約数の個数: 24

約数和(自身を含む): 147295008

約数和(自身を除く): 85922228

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 438377, 876754, 1753508, 2191885, 3068639, 4383770, 6137278, 8767540, 12274556, 15343195, 30686390, 61372780]

約数ペア:

[(1, 61372780), (2, 30686390), (4, 15343195), (5, 12274556), (7, 8767540), (10, 6137278), (14, 4383770), (20, 3068639), (28, 2191885), (35, 1753508), (70, 876754), (140, 438377)]