82687780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{590627}}^1$

素因数の和:590643

約数の個数: 24

約数和(自身を含む): 198451008

約数和(自身を除く): 115763228

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 590627, 1181254, 2362508, 2953135, 4134389, 5906270, 8268778, 11812540, 16537556, 20671945, 41343890, 82687780]

約数ペア:

[(1, 82687780), (2, 41343890), (4, 20671945), (5, 16537556), (7, 11812540), (10, 8268778), (14, 5906270), (20, 4134389), (28, 2953135), (35, 2362508), (70, 1181254), (140, 590627)]