222118220

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{258277}}^1$

素因数の和:258329

約数の個数: 24

約数和(自身を含む): 477297744

約数和(自身を除く): 255179524

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 215, 430, 860, 258277, 516554, 1033108, 1291385, 2582770, 5165540, 11105911, 22211822, 44423644, 55529555, 111059110, 222118220]

約数ペア:

[(1, 222118220), (2, 111059110), (4, 55529555), (5, 44423644), (10, 22211822), (20, 11105911), (43, 5165540), (86, 2582770), (172, 1291385), (215, 1033108), (430, 516554), (860, 258277)]