2220455590

素因数分解:

$2^1\times 5^1\times {\mathrm{4441}}^1\times {\mathrm{49999}}^1$

素因数の和:54447

約数の個数: 16

約数和(自身を含む): 3997800000

約数和(自身を除く): 1777344410

約数列:

[1, 2, 5, 10, 4441, 8882, 22205, 44410, 49999, 99998, 249995, 499990, 222045559, 444091118, 1110227795, 2220455590]

約数ペア:

[(1, 2220455590), (2, 1110227795), (5, 444091118), (10, 222045559), (4441, 499990), (8882, 249995), (22205, 99998), (44410, 49999)]