2149010

素因数分解:

$2^1\times 5^1\times {\mathrm{311}}^1\times {\mathrm{691}}^1$

素因数の和:1009

約数の個数: 16

約数和(自身を含む): 3886272

約数和(自身を除く): 1737262

約数列:

[1, 2, 5, 10, 311, 622, 691, 1382, 1555, 3110, 3455, 6910, 214901, 429802, 1074505, 2149010]

約数ペア:

[(1, 2149010), (2, 1074505), (5, 429802), (10, 214901), (311, 6910), (622, 3455), (691, 3110), (1382, 1555)]