43780000

素因数分解:

$2^5\times 5^4\times {\mathrm{11}}^1\times {\mathrm{199}}^1$

素因数の和:240

約数の個数: 120

約数和(自身を含む): 118087200

約数和(自身を除く): 74307200

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 25, 32, 40, 44, 50, 55, 80, 88, 100, 110, 125, 160, 176, 199, 200, 220, 250, 275, 352, 398, 400, 440, 500, 550, 625, 796, 800, 880, 995, 1000, 1100, 1250, 1375, 1592, 1760, 1990, 2000, 2189, 2200, 2500, 2750, 3184, 3980, 4000, 4378, 4400, 4975, 5000, 5500, 6368, 6875, 7960, 8756, 8800, 9950, 10000, 10945, 11000, 13750, 15920, 17512, 19900, 20000, 21890, 22000, 24875, 27500, 31840, 35024, 39800, 43780, 44000, 49750, 54725, 55000, 70048, 79600, 87560, 99500, 109450, 110000, 124375, 159200, 175120, 199000, 218900, 220000, 248750, 273625, 350240, 398000, 437800, 497500, 547250, 796000, 875600, 995000, 1094500, 1368125, 1751200, 1990000, 2189000, 2736250, 3980000, 4378000, 5472500, 8756000, 10945000, 21890000, 43780000]

約数ペア:

[(1, 43780000), (2, 21890000), (4, 10945000), (5, 8756000), (8, 5472500), (10, 4378000), (11, 3980000), (16, 2736250), (20, 2189000), (22, 1990000), (25, 1751200), (32, 1368125), (40, 1094500), (44, 995000), (50, 875600), (55, 796000), (80, 547250), (88, 497500), (100, 437800), (110, 398000), (125, 350240), (160, 273625), (176, 248750), (199, 220000), (200, 218900), (220, 199000), (250, 175120), (275, 159200), (352, 124375), (398, 110000), (400, 109450), (440, 99500), (500, 87560), (550, 79600), (625, 70048), (796, 55000), (800, 54725), (880, 49750), (995, 44000), (1000, 43780), (1100, 39800), (1250, 35024), (1375, 31840), (1592, 27500), (1760, 24875), (1990, 22000), (2000, 21890), (2189, 20000), (2200, 19900), (2500, 17512), (2750, 15920), (3184, 13750), (3980, 11000), (4000, 10945), (4378, 10000), (4400, 9950), (4975, 8800), (5000, 8756), (5500, 7960), (6368, 6875)]