54217660

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{387269}}^1$

素因数の和:387285

約数の個数: 24

約数和(自身を含む): 130122720

約数和(自身を除く): 75905060

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 387269, 774538, 1549076, 1936345, 2710883, 3872690, 5421766, 7745380, 10843532, 13554415, 27108830, 54217660]

約数ペア:

[(1, 54217660), (2, 27108830), (4, 13554415), (5, 10843532), (7, 7745380), (10, 5421766), (14, 3872690), (20, 2710883), (28, 1936345), (35, 1549076), (70, 774538), (140, 387269)]