72788660

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{519919}}^1$

素因数の和:519935

約数の個数: 24

約数和(自身を含む): 174693120

約数和(自身を除く): 101904460

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 519919, 1039838, 2079676, 2599595, 3639433, 5199190, 7278866, 10398380, 14557732, 18197165, 36394330, 72788660]

約数ペア:

[(1, 72788660), (2, 36394330), (4, 18197165), (5, 14557732), (7, 10398380), (10, 7278866), (14, 5199190), (20, 3639433), (28, 2599595), (35, 2079676), (70, 1039838), (140, 519919)]