2149780

素因数分解:

$2^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{2287}}^1$

素因数の和:2343

約数の個数: 24

約数和(自身を含む): 4612608

約数和(自身を除く): 2462828

約数列:

[1, 2, 4, 5, 10, 20, 47, 94, 188, 235, 470, 940, 2287, 4574, 9148, 11435, 22870, 45740, 107489, 214978, 429956, 537445, 1074890, 2149780]

約数ペア:

[(1, 2149780), (2, 1074890), (4, 537445), (5, 429956), (10, 214978), (20, 107489), (47, 45740), (94, 22870), (188, 11435), (235, 9148), (470, 4574), (940, 2287)]