1802860

素因数分解:

$2^2\times 5^1\times {\mathrm{109}}^1\times {\mathrm{827}}^1$

素因数の和:945

約数の個数: 24

約数和(自身を含む): 3825360

約数和(自身を除く): 2022500

約数列:

[1, 2, 4, 5, 10, 20, 109, 218, 436, 545, 827, 1090, 1654, 2180, 3308, 4135, 8270, 16540, 90143, 180286, 360572, 450715, 901430, 1802860]

約数ペア:

[(1, 1802860), (2, 901430), (4, 450715), (5, 360572), (10, 180286), (20, 90143), (109, 16540), (218, 8270), (436, 4135), (545, 3308), (827, 2180), (1090, 1654)]