489975080

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{1749911}}^1$

素因数の和:1749929

約数の個数: 32

約数和(自身を含む): 1259936640

約数和(自身を除く): 769961560

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 1749911, 3499822, 6999644, 8749555, 12249377, 13999288, 17499110, 24498754, 34998220, 48997508, 61246885, 69996440, 97995016, 122493770, 244987540, 489975080]

約数ペア:

[(1, 489975080), (2, 244987540), (4, 122493770), (5, 97995016), (7, 69996440), (8, 61246885), (10, 48997508), (14, 34998220), (20, 24498754), (28, 17499110), (35, 13999288), (40, 12249377), (56, 8749555), (70, 6999644), (140, 3499822), (280, 1749911)]