27768580

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{198347}}^1$

素因数の和:198363

約数の個数: 24

約数和(自身を含む): 66644928

約数和(自身を除く): 38876348

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 198347, 396694, 793388, 991735, 1388429, 1983470, 2776858, 3966940, 5553716, 6942145, 13884290, 27768580]

約数ペア:

[(1, 27768580), (2, 13884290), (4, 6942145), (5, 5553716), (7, 3966940), (10, 2776858), (14, 1983470), (20, 1388429), (28, 991735), (35, 793388), (70, 396694), (140, 198347)]