55477660

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{396269}}^1$

素因数の和:396285

約数の個数: 24

約数和(自身を含む): 133146720

約数和(自身を除く): 77669060

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 396269, 792538, 1585076, 1981345, 2773883, 3962690, 5547766, 7925380, 11095532, 13869415, 27738830, 55477660]

約数ペア:

[(1, 55477660), (2, 27738830), (4, 13869415), (5, 11095532), (7, 7925380), (10, 5547766), (14, 3962690), (20, 2773883), (28, 1981345), (35, 1585076), (70, 792538), (140, 396269)]