2180900

素因数分解:

$2^2\times 5^2\times {\mathrm{113}}^1\times {\mathrm{193}}^1$

素因数の和:320

約数の個数: 36

約数和(自身を含む): 4799172

約数和(自身を除く): 2618272

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 113, 193, 226, 386, 452, 565, 772, 965, 1130, 1930, 2260, 2825, 3860, 4825, 5650, 9650, 11300, 19300, 21809, 43618, 87236, 109045, 218090, 436180, 545225, 1090450, 2180900]

約数ペア:

[(1, 2180900), (2, 1090450), (4, 545225), (5, 436180), (10, 218090), (20, 109045), (25, 87236), (50, 43618), (100, 21809), (113, 19300), (193, 11300), (226, 9650), (386, 5650), (452, 4825), (565, 3860), (772, 2825), (965, 2260), (1130, 1930)]