28002170

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{400031}}^1$

素因数の和:400045

約数の個数: 16

約数和(自身を含む): 57604608

約数和(自身を除く): 29602438

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 400031, 800062, 2000155, 2800217, 4000310, 5600434, 14001085, 28002170]

約数ペア:

[(1, 28002170), (2, 14001085), (5, 5600434), (7, 4000310), (10, 2800217), (14, 2000155), (35, 800062), (70, 400031)]