2804380

素因数分解:

$2^2\times 5^1\times {\mathrm{281}}^1\times {\mathrm{499}}^1$

素因数の和:789

約数の個数: 24

約数和(自身を含む): 5922000

約数和(自身を除く): 3117620

約数列:

[1, 2, 4, 5, 10, 20, 281, 499, 562, 998, 1124, 1405, 1996, 2495, 2810, 4990, 5620, 9980, 140219, 280438, 560876, 701095, 1402190, 2804380]

約数ペア:

[(1, 2804380), (2, 1402190), (4, 701095), (5, 560876), (10, 280438), (20, 140219), (281, 9980), (499, 5620), (562, 4990), (998, 2810), (1124, 2495), (1405, 1996)]