1372420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{9803}}^1$

素因数の和:9819

約数の個数: 24

約数和(自身を含む): 3294144

約数和(自身を除く): 1921724

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 9803, 19606, 39212, 49015, 68621, 98030, 137242, 196060, 274484, 343105, 686210, 1372420]

約数ペア:

[(1, 1372420), (2, 686210), (4, 343105), (5, 274484), (7, 196060), (10, 137242), (14, 98030), (20, 68621), (28, 49015), (35, 39212), (70, 19606), (140, 9803)]