2648660

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{18919}}^1$

素因数の和:18935

約数の個数: 24

約数和(自身を含む): 6357120

約数和(自身を除く): 3708460

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 18919, 37838, 75676, 94595, 132433, 189190, 264866, 378380, 529732, 662165, 1324330, 2648660]

約数ペア:

[(1, 2648660), (2, 1324330), (4, 662165), (5, 529732), (7, 378380), (10, 264866), (14, 189190), (20, 132433), (28, 94595), (35, 75676), (70, 37838), (140, 18919)]