149708080

素因数分解:

$2^4\times 5^1\times {\mathrm{1871351}}^1$

素因数の和:1871364

約数の個数: 20

約数和(自身を含む): 348071472

約数和(自身を除く): 198363392

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1871351, 3742702, 7485404, 9356755, 14970808, 18713510, 29941616, 37427020, 74854040, 149708080]

約数ペア:

[(1, 149708080), (2, 74854040), (4, 37427020), (5, 29941616), (8, 18713510), (10, 14970808), (16, 9356755), (20, 7485404), (40, 3742702), (80, 1871351)]