315154420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{2251103}}^1$

素因数の和:2251119

約数の個数: 24

約数和(自身を含む): 756370944

約数和(自身を除く): 441216524

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 2251103, 4502206, 9004412, 11255515, 15757721, 22511030, 31515442, 45022060, 63030884, 78788605, 157577210, 315154420]

約数ペア:

[(1, 315154420), (2, 157577210), (4, 78788605), (5, 63030884), (7, 45022060), (10, 31515442), (14, 22511030), (20, 15757721), (28, 11255515), (35, 9004412), (70, 4502206), (140, 2251103)]