189662480

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{338683}}^1$

素因数の和:338703

約数の個数: 40

約数和(自身を含む): 503961792

約数和(自身を除く): 314299312

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 338683, 677366, 1354732, 1693415, 2370781, 2709464, 3386830, 4741562, 5418928, 6773660, 9483124, 11853905, 13547320, 18966248, 23707810, 27094640, 37932496, 47415620, 94831240, 189662480]

約数ペア:

[(1, 189662480), (2, 94831240), (4, 47415620), (5, 37932496), (7, 27094640), (8, 23707810), (10, 18966248), (14, 13547320), (16, 11853905), (20, 9483124), (28, 6773660), (35, 5418928), (40, 4741562), (56, 3386830), (70, 2709464), (80, 2370781), (112, 1693415), (140, 1354732), (280, 677366), (560, 338683)]