28268660

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{201919}}^1$

素因数の和:201935

約数の個数: 24

約数和(自身を含む): 67845120

約数和(自身を除く): 39576460

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 201919, 403838, 807676, 1009595, 1413433, 2019190, 2826866, 4038380, 5653732, 7067165, 14134330, 28268660]

約数ペア:

[(1, 28268660), (2, 14134330), (4, 7067165), (5, 5653732), (7, 4038380), (10, 2826866), (14, 2019190), (20, 1413433), (28, 1009595), (35, 807676), (70, 403838), (140, 201919)]