18308000

素因数分解:

$2^5\times 5^3\times {\mathrm{23}}^1\times {\mathrm{199}}^1$

素因数の和:247

約数の個数: 96

約数和(自身を含む): 47174400

約数和(自身を除く): 28866400

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 25, 32, 40, 46, 50, 80, 92, 100, 115, 125, 160, 184, 199, 200, 230, 250, 368, 398, 400, 460, 500, 575, 736, 796, 800, 920, 995, 1000, 1150, 1592, 1840, 1990, 2000, 2300, 2875, 3184, 3680, 3980, 4000, 4577, 4600, 4975, 5750, 6368, 7960, 9154, 9200, 9950, 11500, 15920, 18308, 18400, 19900, 22885, 23000, 24875, 31840, 36616, 39800, 45770, 46000, 49750, 73232, 79600, 91540, 92000, 99500, 114425, 146464, 159200, 183080, 199000, 228850, 366160, 398000, 457700, 572125, 732320, 796000, 915400, 1144250, 1830800, 2288500, 3661600, 4577000, 9154000, 18308000]

約数ペア:

[(1, 18308000), (2, 9154000), (4, 4577000), (5, 3661600), (8, 2288500), (10, 1830800), (16, 1144250), (20, 915400), (23, 796000), (25, 732320), (32, 572125), (40, 457700), (46, 398000), (50, 366160), (80, 228850), (92, 199000), (100, 183080), (115, 159200), (125, 146464), (160, 114425), (184, 99500), (199, 92000), (200, 91540), (230, 79600), (250, 73232), (368, 49750), (398, 46000), (400, 45770), (460, 39800), (500, 36616), (575, 31840), (736, 24875), (796, 23000), (800, 22885), (920, 19900), (995, 18400), (1000, 18308), (1150, 15920), (1592, 11500), (1840, 9950), (1990, 9200), (2000, 9154), (2300, 7960), (2875, 6368), (3184, 5750), (3680, 4975), (3980, 4600), (4000, 4577)]