2247580

素因数分解:

$2^2\times 5^1\times {\mathrm{109}}^1\times {\mathrm{1031}}^1$

素因数の和:1149

約数の個数: 24

約数和(自身を含む): 4767840

約数和(自身を除く): 2520260

約数列:

[1, 2, 4, 5, 10, 20, 109, 218, 436, 545, 1031, 1090, 2062, 2180, 4124, 5155, 10310, 20620, 112379, 224758, 449516, 561895, 1123790, 2247580]

約数ペア:

[(1, 2247580), (2, 1123790), (4, 561895), (5, 449516), (10, 224758), (20, 112379), (109, 20620), (218, 10310), (436, 5155), (545, 4124), (1031, 2180), (1090, 2062)]