857080

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{3061}}^1$

素因数の和:3079

約数の個数: 32

約数和(自身を含む): 2204640

約数和(自身を除く): 1347560

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 3061, 6122, 12244, 15305, 21427, 24488, 30610, 42854, 61220, 85708, 107135, 122440, 171416, 214270, 428540, 857080]

約数ペア:

[(1, 857080), (2, 428540), (4, 214270), (5, 171416), (7, 122440), (8, 107135), (10, 85708), (14, 61220), (20, 42854), (28, 30610), (35, 24488), (40, 21427), (56, 15305), (70, 12244), (140, 6122), (280, 3061)]