1230322940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{798911}}^1$

素因数の和:798938

約数の個数: 48

約数和(自身を含む): 3221213184

約数和(自身を除く): 1990890244

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 70, 77, 110, 140, 154, 220, 308, 385, 770, 1540, 798911, 1597822, 3195644, 3994555, 5592377, 7989110, 8788021, 11184754, 15978220, 17576042, 22369508, 27961885, 35152084, 43940105, 55923770, 61516147, 87880210, 111847540, 123032294, 175760420, 246064588, 307580735, 615161470, 1230322940]

約数ペア:

[(1, 1230322940), (2, 615161470), (4, 307580735), (5, 246064588), (7, 175760420), (10, 123032294), (11, 111847540), (14, 87880210), (20, 61516147), (22, 55923770), (28, 43940105), (35, 35152084), (44, 27961885), (55, 22369508), (70, 17576042), (77, 15978220), (110, 11184754), (140, 8788021), (154, 7989110), (220, 5592377), (308, 3994555), (385, 3195644), (770, 1597822), (1540, 798911)]