18075400

素因数分解:

$2^3\times 5^2\times 7^1\times {\mathrm{12911}}^1$

素因数の和:12934

約数の個数: 48

約数和(自身を含む): 48032640

約数和(自身を除く): 29957240

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 25, 28, 35, 40, 50, 56, 70, 100, 140, 175, 200, 280, 350, 700, 1400, 12911, 25822, 51644, 64555, 90377, 103288, 129110, 180754, 258220, 322775, 361508, 451885, 516440, 645550, 723016, 903770, 1291100, 1807540, 2259425, 2582200, 3615080, 4518850, 9037700, 18075400]

約数ペア:

[(1, 18075400), (2, 9037700), (4, 4518850), (5, 3615080), (7, 2582200), (8, 2259425), (10, 1807540), (14, 1291100), (20, 903770), (25, 723016), (28, 645550), (35, 516440), (40, 451885), (50, 361508), (56, 322775), (70, 258220), (100, 180754), (140, 129110), (175, 103288), (200, 90377), (280, 64555), (350, 51644), (700, 25822), (1400, 12911)]