201572420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{1439803}}^1$

素因数の和:1439819

約数の個数: 24

約数和(自身を含む): 483774144

約数和(自身を除く): 282201724

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 1439803, 2879606, 5759212, 7199015, 10078621, 14398030, 20157242, 28796060, 40314484, 50393105, 100786210, 201572420]

約数ペア:

[(1, 201572420), (2, 100786210), (4, 50393105), (5, 40314484), (7, 28796060), (10, 20157242), (14, 14398030), (20, 10078621), (28, 7199015), (35, 5759212), (70, 2879606), (140, 1439803)]