4481020

素因数分解:

$2^2\times 5^1\times {\mathrm{449}}^1\times {\mathrm{499}}^1$

素因数の和:957

約数の個数: 24

約数和(自身を含む): 9450000

約数和(自身を除く): 4968980

約数列:

[1, 2, 4, 5, 10, 20, 449, 499, 898, 998, 1796, 1996, 2245, 2495, 4490, 4990, 8980, 9980, 224051, 448102, 896204, 1120255, 2240510, 4481020]

約数ペア:

[(1, 4481020), (2, 2240510), (4, 1120255), (5, 896204), (10, 448102), (20, 224051), (449, 9980), (499, 8980), (898, 4990), (998, 4490), (1796, 2495), (1996, 2245)]