212388220

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{965401}}^1$

素因数の和:965421

約数の個数: 24

約数和(自身を含む): 486562608

約数和(自身を除く): 274174388

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 965401, 1930802, 3861604, 4827005, 9654010, 10619411, 19308020, 21238822, 42477644, 53097055, 106194110, 212388220]

約数ペア:

[(1, 212388220), (2, 106194110), (4, 53097055), (5, 42477644), (10, 21238822), (11, 19308020), (20, 10619411), (22, 9654010), (44, 4827005), (55, 3861604), (110, 1930802), (220, 965401)]