180202220

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{819101}}^1$

素因数の和:819121

約数の個数: 24

約数和(自身を含む): 412827408

約数和(自身を除く): 232625188

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 819101, 1638202, 3276404, 4095505, 8191010, 9010111, 16382020, 18020222, 36040444, 45050555, 90101110, 180202220]

約数ペア:

[(1, 180202220), (2, 90101110), (4, 45050555), (5, 36040444), (10, 18020222), (11, 16382020), (20, 9010111), (22, 8191010), (44, 4095505), (55, 3276404), (110, 1638202), (220, 819101)]