355779340

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{2541281}}^1$

素因数の和:2541297

約数の個数: 24

約数和(自身を含む): 853870752

約数和(自身を除く): 498091412

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 2541281, 5082562, 10165124, 12706405, 17788967, 25412810, 35577934, 50825620, 71155868, 88944835, 177889670, 355779340]

約数ペア:

[(1, 355779340), (2, 177889670), (4, 88944835), (5, 71155868), (7, 50825620), (10, 35577934), (14, 25412810), (20, 17788967), (28, 12706405), (35, 10165124), (70, 5082562), (140, 2541281)]