54742660

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{391019}}^1$

素因数の和:391035

約数の個数: 24

約数和(自身を含む): 131382720

約数和(自身を除く): 76640060

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 391019, 782038, 1564076, 1955095, 2737133, 3910190, 5474266, 7820380, 10948532, 13685665, 27371330, 54742660]

約数ペア:

[(1, 54742660), (2, 27371330), (4, 13685665), (5, 10948532), (7, 7820380), (10, 5474266), (14, 3910190), (20, 2737133), (28, 1955095), (35, 1564076), (70, 782038), (140, 391019)]