28019200

素因数分解:

$2^9\times 5^2\times {\mathrm{11}}^1\times {\mathrm{199}}^1$

素因数の和:238

約数の個数: 120

約数和(自身を含む): 76111200

約数和(自身を除く): 48092000

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 25, 32, 40, 44, 50, 55, 64, 80, 88, 100, 110, 128, 160, 176, 199, 200, 220, 256, 275, 320, 352, 398, 400, 440, 512, 550, 640, 704, 796, 800, 880, 995, 1100, 1280, 1408, 1592, 1600, 1760, 1990, 2189, 2200, 2560, 2816, 3184, 3200, 3520, 3980, 4378, 4400, 4975, 5632, 6368, 6400, 7040, 7960, 8756, 8800, 9950, 10945, 12736, 12800, 14080, 15920, 17512, 17600, 19900, 21890, 25472, 28160, 31840, 35024, 35200, 39800, 43780, 50944, 54725, 63680, 70048, 70400, 79600, 87560, 101888, 109450, 127360, 140096, 140800, 159200, 175120, 218900, 254720, 280192, 318400, 350240, 437800, 509440, 560384, 636800, 700480, 875600, 1120768, 1273600, 1400960, 1751200, 2547200, 2801920, 3502400, 5603840, 7004800, 14009600, 28019200]

約数ペア:

[(1, 28019200), (2, 14009600), (4, 7004800), (5, 5603840), (8, 3502400), (10, 2801920), (11, 2547200), (16, 1751200), (20, 1400960), (22, 1273600), (25, 1120768), (32, 875600), (40, 700480), (44, 636800), (50, 560384), (55, 509440), (64, 437800), (80, 350240), (88, 318400), (100, 280192), (110, 254720), (128, 218900), (160, 175120), (176, 159200), (199, 140800), (200, 140096), (220, 127360), (256, 109450), (275, 101888), (320, 87560), (352, 79600), (398, 70400), (400, 70048), (440, 63680), (512, 54725), (550, 50944), (640, 43780), (704, 39800), (796, 35200), (800, 35024), (880, 31840), (995, 28160), (1100, 25472), (1280, 21890), (1408, 19900), (1592, 17600), (1600, 17512), (1760, 15920), (1990, 14080), (2189, 12800), (2200, 12736), (2560, 10945), (2816, 9950), (3184, 8800), (3200, 8756), (3520, 7960), (3980, 7040), (4378, 6400), (4400, 6368), (4975, 5632)]