27787060

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{198479}}^1$

素因数の和:198495

約数の個数: 24

約数和(自身を含む): 66689280

約数和(自身を除く): 38902220

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 198479, 396958, 793916, 992395, 1389353, 1984790, 2778706, 3969580, 5557412, 6946765, 13893530, 27787060]

約数ペア:

[(1, 27787060), (2, 13893530), (4, 6946765), (5, 5557412), (7, 3969580), (10, 2778706), (14, 1984790), (20, 1389353), (28, 992395), (35, 793916), (70, 396958), (140, 198479)]