284498660

素因数分解:

$2^2\times 5^1\times {\mathrm{1987}}^1\times {\mathrm{7159}}^1$

素因数の和:9155

約数の個数: 24

約数和(自身を含む): 597831360

約数和(自身を除く): 313332700

約数列:

[1, 2, 4, 5, 10, 20, 1987, 3974, 7159, 7948, 9935, 14318, 19870, 28636, 35795, 39740, 71590, 143180, 14224933, 28449866, 56899732, 71124665, 142249330, 284498660]

約数ペア:

[(1, 284498660), (2, 142249330), (4, 71124665), (5, 56899732), (10, 28449866), (20, 14224933), (1987, 143180), (3974, 71590), (7159, 39740), (7948, 35795), (9935, 28636), (14318, 19870)]