54129740

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{386641}}^1$

素因数の和:386657

約数の個数: 24

約数和(自身を含む): 129911712

約数和(自身を除く): 75781972

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 386641, 773282, 1546564, 1933205, 2706487, 3866410, 5412974, 7732820, 10825948, 13532435, 27064870, 54129740]

約数ペア:

[(1, 54129740), (2, 27064870), (4, 13532435), (5, 10825948), (7, 7732820), (10, 5412974), (14, 3866410), (20, 2706487), (28, 1933205), (35, 1546564), (70, 773282), (140, 386641)]