27689060

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{197779}}^1$

素因数の和:197795

約数の個数: 24

約数和(自身を含む): 66454080

約数和(自身を除く): 38765020

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 197779, 395558, 791116, 988895, 1384453, 1977790, 2768906, 3955580, 5537812, 6922265, 13844530, 27689060]

約数ペア:

[(1, 27689060), (2, 13844530), (4, 6922265), (5, 5537812), (7, 3955580), (10, 2768906), (14, 1977790), (20, 1384453), (28, 988895), (35, 791116), (70, 395558), (140, 197779)]