431472020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{3081943}}^1$

素因数の和:3081959

約数の個数: 24

約数和(自身を含む): 1035533184

約数和(自身を除く): 604061164

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 3081943, 6163886, 12327772, 15409715, 21573601, 30819430, 43147202, 61638860, 86294404, 107868005, 215736010, 431472020]

約数ペア:

[(1, 431472020), (2, 215736010), (4, 107868005), (5, 86294404), (7, 61638860), (10, 43147202), (14, 30819430), (20, 21573601), (28, 15409715), (35, 12327772), (70, 6163886), (140, 3081943)]