408528140

素因数分解:

$2^2\times 5^1\times {\mathrm{107}}^1\times {\mathrm{190901}}^1$

素因数の和:191017

約数の個数: 24

約数和(自身を含む): 865931472

約数和(自身を除く): 457403332

約数列:

[1, 2, 4, 5, 10, 20, 107, 214, 428, 535, 1070, 2140, 190901, 381802, 763604, 954505, 1909010, 3818020, 20426407, 40852814, 81705628, 102132035, 204264070, 408528140]

約数ペア:

[(1, 408528140), (2, 204264070), (4, 102132035), (5, 81705628), (10, 40852814), (20, 20426407), (107, 3818020), (214, 1909010), (428, 954505), (535, 763604), (1070, 381802), (2140, 190901)]