4149500

素因数分解:

$2^2\times 5^3\times {\mathrm{43}}^1\times {\mathrm{193}}^1$

素因数の和:255

約数の個数: 48

約数和(自身を含む): 9321312

約数和(自身を除く): 5171812

約数列:

[1, 2, 4, 5, 10, 20, 25, 43, 50, 86, 100, 125, 172, 193, 215, 250, 386, 430, 500, 772, 860, 965, 1075, 1930, 2150, 3860, 4300, 4825, 5375, 8299, 9650, 10750, 16598, 19300, 21500, 24125, 33196, 41495, 48250, 82990, 96500, 165980, 207475, 414950, 829900, 1037375, 2074750, 4149500]

約数ペア:

[(1, 4149500), (2, 2074750), (4, 1037375), (5, 829900), (10, 414950), (20, 207475), (25, 165980), (43, 96500), (50, 82990), (86, 48250), (100, 41495), (125, 33196), (172, 24125), (193, 21500), (215, 19300), (250, 16598), (386, 10750), (430, 9650), (500, 8299), (772, 5375), (860, 4825), (965, 4300), (1075, 3860), (1930, 2150)]