2028992000

素因数分解:

$2^9\times 5^3\times 7^2\times {\mathrm{647}}^1$

素因数の和:694

約数の個数: 240

約数和(自身を含む): 5894542368

約数和(自身を除く): 3865550368

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 32, 35, 40, 49, 50, 56, 64, 70, 80, 98, 100, 112, 125, 128, 140, 160, 175, 196, 200, 224, 245, 250, 256, 280, 320, 350, 392, 400, 448, 490, 500, 512, 560, 640, 647, 700, 784, 800, 875, 896, 980, 1000, 1120, 1225, 1280, 1294, 1400, 1568, 1600, 1750, 1792, 1960, 2000, 2240, 2450, 2560, 2588, 2800, 3136, 3200, 3235, 3500, 3584, 3920, 4000, 4480, 4529, 4900, 5176, 5600, 6125, 6272, 6400, 6470, 7000, 7840, 8000, 8960, 9058, 9800, 10352, 11200, 12250, 12544, 12800, 12940, 14000, 15680, 16000, 16175, 17920, 18116, 19600, 20704, 22400, 22645, 24500, 25088, 25880, 28000, 31360, 31703, 32000, 32350, 36232, 39200, 41408, 44800, 45290, 49000, 51760, 56000, 62720, 63406, 64000, 64700, 72464, 78400, 80875, 82816, 89600, 90580, 98000, 103520, 112000, 113225, 125440, 126812, 129400, 144928, 156800, 158515, 161750, 165632, 181160, 196000, 207040, 224000, 226450, 253624, 258800, 289856, 313600, 317030, 323500, 331264, 362320, 392000, 414080, 448000, 452900, 507248, 517600, 566125, 579712, 627200, 634060, 647000, 724640, 784000, 792575, 828160, 905800, 1014496, 1035200, 1132250, 1159424, 1268120, 1294000, 1449280, 1568000, 1585150, 1656320, 1811600, 2028992, 2070400, 2264500, 2318848, 2536240, 2588000, 2898560, 3136000, 3170300, 3623200, 3962875, 4057984, 4140800, 4529000, 5072480, 5176000, 5797120, 6340600, 7246400, 7925750, 8115968, 8281600, 9058000, 10144960, 10352000, 11594240, 12681200, 14492800, 15851500, 16231936, 18116000, 20289920, 20704000, 25362400, 28985600, 31703000, 36232000, 40579840, 41408000, 50724800, 57971200, 63406000, 72464000, 81159680, 101449600, 126812000, 144928000, 202899200, 253624000, 289856000, 405798400, 507248000, 1014496000, 2028992000]

約数ペア:

[(1, 2028992000), (2, 1014496000), (4, 507248000), (5, 405798400), (7, 289856000), (8, 253624000), (10, 202899200), (14, 144928000), (16, 126812000), (20, 101449600), (25, 81159680), (28, 72464000), (32, 63406000), (35, 57971200), (40, 50724800), (49, 41408000), (50, 40579840), (56, 36232000), (64, 31703000), (70, 28985600), (80, 25362400), (98, 20704000), (100, 20289920), (112, 18116000), (125, 16231936), (128, 15851500), (140, 14492800), (160, 12681200), (175, 11594240), (196, 10352000), (200, 10144960), (224, 9058000), (245, 8281600), (250, 8115968), (256, 7925750), (280, 7246400), (320, 6340600), (350, 5797120), (392, 5176000), (400, 5072480), (448, 4529000), (490, 4140800), (500, 4057984), (512, 3962875), (560, 3623200), (640, 3170300), (647, 3136000), (700, 2898560), (784, 2588000), (800, 2536240), (875, 2318848), (896, 2264500), (980, 2070400), (1000, 2028992), (1120, 1811600), (1225, 1656320), (1280, 1585150), (1294, 1568000), (1400, 1449280), (1568, 1294000), (1600, 1268120), (1750, 1159424), (1792, 1132250), (1960, 1035200), (2000, 1014496), (2240, 905800), (2450, 828160), (2560, 792575), (2588, 784000), (2800, 724640), (3136, 647000), (3200, 634060), (3235, 627200), (3500, 579712), (3584, 566125), (3920, 517600), (4000, 507248), (4480, 452900), (4529, 448000), (4900, 414080), (5176, 392000), (5600, 362320), (6125, 331264), (6272, 323500), (6400, 317030), (6470, 313600), (7000, 289856), (7840, 258800), (8000, 253624), (8960, 226450), (9058, 224000), (9800, 207040), (10352, 196000), (11200, 181160), (12250, 165632), (12544, 161750), (12800, 158515), (12940, 156800), (14000, 144928), (15680, 129400), (16000, 126812), (16175, 125440), (17920, 113225), (18116, 112000), (19600, 103520), (20704, 98000), (22400, 90580), (22645, 89600), (24500, 82816), (25088, 80875), (25880, 78400), (28000, 72464), (31360, 64700), (31703, 64000), (32000, 63406), (32350, 62720), (36232, 56000), (39200, 51760), (41408, 49000), (44800, 45290)]