54706820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{390763}}^1$

素因数の和:390779

約数の個数: 24

約数和(自身を含む): 131296704

約数和(自身を除く): 76589884

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 390763, 781526, 1563052, 1953815, 2735341, 3907630, 5470682, 7815260, 10941364, 13676705, 27353410, 54706820]

約数ペア:

[(1, 54706820), (2, 27353410), (4, 13676705), (5, 10941364), (7, 7815260), (10, 5470682), (14, 3907630), (20, 2735341), (28, 1953815), (35, 1563052), (70, 781526), (140, 390763)]