874280

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{1987}}^1$

素因数の和:2009

約数の個数: 32

約数和(自身を含む): 2147040

約数和(自身を除く): 1272760

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 1987, 3974, 7948, 9935, 15896, 19870, 21857, 39740, 43714, 79480, 87428, 109285, 174856, 218570, 437140, 874280]

約数ペア:

[(1, 874280), (2, 437140), (4, 218570), (5, 174856), (8, 109285), (10, 87428), (11, 79480), (20, 43714), (22, 39740), (40, 21857), (44, 19870), (55, 15896), (88, 9935), (110, 7948), (220, 3974), (440, 1987)]