54281780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{387727}}^1$

素因数の和:387743

約数の個数: 24

約数和(自身を含む): 130276608

約数和(自身を除く): 75994828

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 387727, 775454, 1550908, 1938635, 2714089, 3877270, 5428178, 7754540, 10856356, 13570445, 27140890, 54281780]

約数ペア:

[(1, 54281780), (2, 27140890), (4, 13570445), (5, 10856356), (7, 7754540), (10, 5428178), (14, 3877270), (20, 2714089), (28, 1938635), (35, 1550908), (70, 775454), (140, 387727)]