8789990

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{1949}}^1$

素因数の和:2008

約数の個数: 32

約数和(自身を含む): 17690400

約数和(自身を除く): 8900410

約数列:

[1, 2, 5, 10, 11, 22, 41, 55, 82, 110, 205, 410, 451, 902, 1949, 2255, 3898, 4510, 9745, 19490, 21439, 42878, 79909, 107195, 159818, 214390, 399545, 799090, 878999, 1757998, 4394995, 8789990]

約数ペア:

[(1, 8789990), (2, 4394995), (5, 1757998), (10, 878999), (11, 799090), (22, 399545), (41, 214390), (55, 159818), (82, 107195), (110, 79909), (205, 42878), (410, 21439), (451, 19490), (902, 9745), (1949, 4510), (2255, 3898)]