27686260

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{197759}}^1$

素因数の和:197775

約数の個数: 24

約数和(自身を含む): 66447360

約数和(自身を除く): 38761100

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 197759, 395518, 791036, 988795, 1384313, 1977590, 2768626, 3955180, 5537252, 6921565, 13843130, 27686260]

約数ペア:

[(1, 27686260), (2, 13843130), (4, 6921565), (5, 5537252), (7, 3955180), (10, 2768626), (14, 1977590), (20, 1384313), (28, 988795), (35, 791036), (70, 395518), (140, 197759)]