27940360

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{99787}}^1$

素因数の和:99805

約数の個数: 32

約数和(自身を含む): 71847360

約数和(自身を除く): 43907000

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 99787, 199574, 399148, 498935, 698509, 798296, 997870, 1397018, 1995740, 2794036, 3492545, 3991480, 5588072, 6985090, 13970180, 27940360]

約数ペア:

[(1, 27940360), (2, 13970180), (4, 6985090), (5, 5588072), (7, 3991480), (8, 3492545), (10, 2794036), (14, 1995740), (20, 1397018), (28, 997870), (35, 798296), (40, 698509), (56, 498935), (70, 399148), (140, 199574), (280, 99787)]