2291180

素因数分解:

$2^2\times 5^1\times {\mathrm{109}}^1\times {\mathrm{1051}}^1$

素因数の和:1169

約数の個数: 24

約数和(自身を含む): 4860240

約数和(自身を除く): 2569060

約数列:

[1, 2, 4, 5, 10, 20, 109, 218, 436, 545, 1051, 1090, 2102, 2180, 4204, 5255, 10510, 21020, 114559, 229118, 458236, 572795, 1145590, 2291180]

約数ペア:

[(1, 2291180), (2, 1145590), (4, 572795), (5, 458236), (10, 229118), (20, 114559), (109, 21020), (218, 10510), (436, 5255), (545, 4204), (1051, 2180), (1090, 2102)]