437140

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{1987}}^1$

素因数の和:2007

約数の個数: 24

約数和(自身を含む): 1001952

約数和(自身を除く): 564812

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 1987, 3974, 7948, 9935, 19870, 21857, 39740, 43714, 87428, 109285, 218570, 437140]

約数ペア:

[(1, 437140), (2, 218570), (4, 109285), (5, 87428), (10, 43714), (11, 39740), (20, 21857), (22, 19870), (44, 9935), (55, 7948), (110, 3974), (220, 1987)]