77605640

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{277163}}^1$

素因数の和:277181

約数の個数: 32

約数和(自身を含む): 199558080

約数和(自身を除く): 121952440

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 277163, 554326, 1108652, 1385815, 1940141, 2217304, 2771630, 3880282, 5543260, 7760564, 9700705, 11086520, 15521128, 19401410, 38802820, 77605640]

約数ペア:

[(1, 77605640), (2, 38802820), (4, 19401410), (5, 15521128), (7, 11086520), (8, 9700705), (10, 7760564), (14, 5543260), (20, 3880282), (28, 2771630), (35, 2217304), (40, 1940141), (56, 1385815), (70, 1108652), (140, 554326), (280, 277163)]