829900

素因数分解:

$2^2\times 5^2\times {\mathrm{43}}^1\times {\mathrm{193}}^1$

素因数の和:250

約数の個数: 36

約数和(自身を含む): 1852312

約数和(自身を除く): 1022412

約数列:

[1, 2, 4, 5, 10, 20, 25, 43, 50, 86, 100, 172, 193, 215, 386, 430, 772, 860, 965, 1075, 1930, 2150, 3860, 4300, 4825, 8299, 9650, 16598, 19300, 33196, 41495, 82990, 165980, 207475, 414950, 829900]

約数ペア:

[(1, 829900), (2, 414950), (4, 207475), (5, 165980), (10, 82990), (20, 41495), (25, 33196), (43, 19300), (50, 16598), (86, 9650), (100, 8299), (172, 4825), (193, 4300), (215, 3860), (386, 2150), (430, 1930), (772, 1075), (860, 965)]