2800105

素因数分解:

$5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{1039}}^1$

素因数の和:1069

約数の個数: 24

約数和(自身を含む): 4268160

約数和(自身を除く): 1468055

約数列:

[1, 5, 7, 11, 35, 49, 55, 77, 245, 385, 539, 1039, 2695, 5195, 7273, 11429, 36365, 50911, 57145, 80003, 254555, 400015, 560021, 2800105]

約数ペア:

[(1, 2800105), (5, 560021), (7, 400015), (11, 254555), (35, 80003), (49, 57145), (55, 50911), (77, 36365), (245, 11429), (385, 7273), (539, 5195), (1039, 2695)]