42845740

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{306041}}^1$

素因数の和:306057

約数の個数: 24

約数和(自身を含む): 102830112

約数和(自身を除く): 59984372

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 306041, 612082, 1224164, 1530205, 2142287, 3060410, 4284574, 6120820, 8569148, 10711435, 21422870, 42845740]

約数ペア:

[(1, 42845740), (2, 21422870), (4, 10711435), (5, 8569148), (7, 6120820), (10, 4284574), (14, 3060410), (20, 2142287), (28, 1530205), (35, 1224164), (70, 612082), (140, 306041)]