1980770

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{1637}}^1$

素因数の和:1666

約数の個数: 24

約数和(自身を含む): 3921372

約数和(自身を除く): 1940602

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 121, 242, 605, 1210, 1637, 3274, 8185, 16370, 18007, 36014, 90035, 180070, 198077, 396154, 990385, 1980770]

約数ペア:

[(1, 1980770), (2, 990385), (5, 396154), (10, 198077), (11, 180070), (22, 90035), (55, 36014), (110, 18007), (121, 16370), (242, 8185), (605, 3274), (1210, 1637)]