54789140

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{391351}}^1$

素因数の和:391367

約数の個数: 24

約数和(自身を含む): 131494272

約数和(自身を除く): 76705132

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 391351, 782702, 1565404, 1956755, 2739457, 3913510, 5478914, 7827020, 10957828, 13697285, 27394570, 54789140]

約数ペア:

[(1, 54789140), (2, 27394570), (4, 13697285), (5, 10957828), (7, 7827020), (10, 5478914), (14, 3913510), (20, 2739457), (28, 1956755), (35, 1565404), (70, 782702), (140, 391351)]