122780420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{877003}}^1$

素因数の和:877019

約数の個数: 24

約数和(自身を含む): 294673344

約数和(自身を除く): 171892924

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 877003, 1754006, 3508012, 4385015, 6139021, 8770030, 12278042, 17540060, 24556084, 30695105, 61390210, 122780420]

約数ペア:

[(1, 122780420), (2, 61390210), (4, 30695105), (5, 24556084), (7, 17540060), (10, 12278042), (14, 8770030), (20, 6139021), (28, 4385015), (35, 3508012), (70, 1754006), (140, 877003)]