201589780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{1439927}}^1$

素因数の和:1439943

約数の個数: 24

約数和(自身を含む): 483815808

約数和(自身を除く): 282226028

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 1439927, 2879854, 5759708, 7199635, 10079489, 14399270, 20158978, 28798540, 40317956, 50397445, 100794890, 201589780]

約数ペア:

[(1, 201589780), (2, 100794890), (4, 50397445), (5, 40317956), (7, 28798540), (10, 20158978), (14, 14399270), (20, 10079489), (28, 7199635), (35, 5759708), (70, 2879854), (140, 1439927)]