304982020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{2178443}}^1$

素因数の和:2178459

約数の個数: 24

約数和(自身を含む): 731957184

約数和(自身を除く): 426975164

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 2178443, 4356886, 8713772, 10892215, 15249101, 21784430, 30498202, 43568860, 60996404, 76245505, 152491010, 304982020]

約数ペア:

[(1, 304982020), (2, 152491010), (4, 76245505), (5, 60996404), (7, 43568860), (10, 30498202), (14, 21784430), (20, 15249101), (28, 10892215), (35, 8713772), (70, 4356886), (140, 2178443)]