2222990

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{2887}}^1$

素因数の和:2912

約数の個数: 32

約数和(自身を含む): 4990464

約数和(自身を除く): 2767474

約数列:

[1, 2, 5, 7, 10, 11, 14, 22, 35, 55, 70, 77, 110, 154, 385, 770, 2887, 5774, 14435, 20209, 28870, 31757, 40418, 63514, 101045, 158785, 202090, 222299, 317570, 444598, 1111495, 2222990]

約数ペア:

[(1, 2222990), (2, 1111495), (5, 444598), (7, 317570), (10, 222299), (11, 202090), (14, 158785), (22, 101045), (35, 63514), (55, 40418), (70, 31757), (77, 28870), (110, 20209), (154, 14435), (385, 5774), (770, 2887)]