12800900

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{18287}}^1$

素因数の和:18308

約数の個数: 36

約数和(自身を含む): 31747968

約数和(自身を除く): 18947068

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 50, 70, 100, 140, 175, 350, 700, 18287, 36574, 73148, 91435, 128009, 182870, 256018, 365740, 457175, 512036, 640045, 914350, 1280090, 1828700, 2560180, 3200225, 6400450, 12800900]

約数ペア:

[(1, 12800900), (2, 6400450), (4, 3200225), (5, 2560180), (7, 1828700), (10, 1280090), (14, 914350), (20, 640045), (25, 512036), (28, 457175), (35, 365740), (50, 256018), (70, 182870), (100, 128009), (140, 91435), (175, 73148), (350, 36574), (700, 18287)]