207875140

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{944887}}^1$

素因数の和:944907

約数の個数: 24

約数和(自身を含む): 476223552

約数和(自身を除く): 268348412

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 944887, 1889774, 3779548, 4724435, 9448870, 10393757, 18897740, 20787514, 41575028, 51968785, 103937570, 207875140]

約数ペア:

[(1, 207875140), (2, 103937570), (4, 51968785), (5, 41575028), (10, 20787514), (11, 18897740), (20, 10393757), (22, 9448870), (44, 4724435), (55, 3779548), (110, 1889774), (220, 944887)]