131617780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{940127}}^1$

素因数の和:940143

約数の個数: 24

約数和(自身を含む): 315883008

約数和(自身を除く): 184265228

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 940127, 1880254, 3760508, 4700635, 6580889, 9401270, 13161778, 18802540, 26323556, 32904445, 65808890, 131617780]

約数ペア:

[(1, 131617780), (2, 65808890), (4, 32904445), (5, 26323556), (7, 18802540), (10, 13161778), (14, 9401270), (20, 6580889), (28, 4700635), (35, 3760508), (70, 1880254), (140, 940127)]