154927780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{1106627}}^1$

素因数の和:1106643

約数の個数: 24

約数和(自身を含む): 371827008

約数和(自身を除く): 216899228

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 1106627, 2213254, 4426508, 5533135, 7746389, 11066270, 15492778, 22132540, 30985556, 38731945, 77463890, 154927780]

約数ペア:

[(1, 154927780), (2, 77463890), (4, 38731945), (5, 30985556), (7, 22132540), (10, 15492778), (14, 11066270), (20, 7746389), (28, 5533135), (35, 4426508), (70, 2213254), (140, 1106627)]