201728870

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{36479}}^1$

素因数の和:36572

約数の個数: 32

約数和(自身を含む): 420249600

約数和(自身を除く): 218520730

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 79, 158, 395, 553, 790, 1106, 2765, 5530, 36479, 72958, 182395, 255353, 364790, 510706, 1276765, 2553530, 2881841, 5763682, 14409205, 20172887, 28818410, 40345774, 100864435, 201728870]

約数ペア:

[(1, 201728870), (2, 100864435), (5, 40345774), (7, 28818410), (10, 20172887), (14, 14409205), (35, 5763682), (70, 2881841), (79, 2553530), (158, 1276765), (395, 510706), (553, 364790), (790, 255353), (1106, 182395), (2765, 72958), (5530, 36479)]