78729140

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{562351}}^1$

素因数の和:562367

約数の個数: 24

約数和(自身を含む): 188950272

約数和(自身を除く): 110221132

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 562351, 1124702, 2249404, 2811755, 3936457, 5623510, 7872914, 11247020, 15745828, 19682285, 39364570, 78729140]

約数ペア:

[(1, 78729140), (2, 39364570), (4, 19682285), (5, 15745828), (7, 11247020), (10, 7872914), (14, 5623510), (20, 3936457), (28, 2811755), (35, 2249404), (70, 1124702), (140, 562351)]