19977202000

素因数分解:

$2^4\times 5^3\times 7^2\times {\mathrm{23}}^1\times {\mathrm{8863}}^1$

素因数の和:8923

約数の個数: 240

約数和(自身を含む): 58641103872

約数和(自身を除く): 38663901872

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 23, 25, 28, 35, 40, 46, 49, 50, 56, 70, 80, 92, 98, 100, 112, 115, 125, 140, 161, 175, 184, 196, 200, 230, 245, 250, 280, 322, 350, 368, 392, 400, 460, 490, 500, 560, 575, 644, 700, 784, 805, 875, 920, 980, 1000, 1127, 1150, 1225, 1288, 1400, 1610, 1750, 1840, 1960, 2000, 2254, 2300, 2450, 2576, 2800, 2875, 3220, 3500, 3920, 4025, 4508, 4600, 4900, 5635, 5750, 6125, 6440, 7000, 8050, 8863, 9016, 9200, 9800, 11270, 11500, 12250, 12880, 14000, 16100, 17726, 18032, 19600, 20125, 22540, 23000, 24500, 28175, 32200, 35452, 40250, 44315, 45080, 46000, 49000, 56350, 62041, 64400, 70904, 80500, 88630, 90160, 98000, 112700, 124082, 140875, 141808, 161000, 177260, 203849, 221575, 225400, 248164, 281750, 310205, 322000, 354520, 407698, 434287, 443150, 450800, 496328, 563500, 620410, 709040, 815396, 868574, 886300, 992656, 1019245, 1107875, 1127000, 1240820, 1426943, 1551025, 1630792, 1737148, 1772600, 2038490, 2171435, 2215750, 2254000, 2481640, 2853886, 3102050, 3261584, 3474296, 3545200, 4076980, 4342870, 4431500, 4963280, 5096225, 5707772, 6204100, 6948592, 7134715, 7755125, 8153960, 8685740, 8863000, 9988601, 10192450, 10857175, 11415544, 12408200, 14269430, 15510250, 16307920, 17371480, 17726000, 19977202, 20384900, 21714350, 22831088, 24816400, 25481125, 28538860, 31020500, 34742960, 35673575, 39954404, 40769800, 43428700, 49943005, 50962250, 54285875, 57077720, 62041000, 71347150, 79908808, 81539600, 86857400, 99886010, 101924500, 108571750, 114155440, 124082000, 142694300, 159817616, 173714800, 178367875, 199772020, 203849000, 217143500, 249715025, 285388600, 356735750, 399544040, 407698000, 434287000, 499430050, 570777200, 713471500, 799088080, 868574000, 998860100, 1248575125, 1426943000, 1997720200, 2497150250, 2853886000, 3995440400, 4994300500, 9988601000, 19977202000]

約数ペア:

[(1, 19977202000), (2, 9988601000), (4, 4994300500), (5, 3995440400), (7, 2853886000), (8, 2497150250), (10, 1997720200), (14, 1426943000), (16, 1248575125), (20, 998860100), (23, 868574000), (25, 799088080), (28, 713471500), (35, 570777200), (40, 499430050), (46, 434287000), (49, 407698000), (50, 399544040), (56, 356735750), (70, 285388600), (80, 249715025), (92, 217143500), (98, 203849000), (100, 199772020), (112, 178367875), (115, 173714800), (125, 159817616), (140, 142694300), (161, 124082000), (175, 114155440), (184, 108571750), (196, 101924500), (200, 99886010), (230, 86857400), (245, 81539600), (250, 79908808), (280, 71347150), (322, 62041000), (350, 57077720), (368, 54285875), (392, 50962250), (400, 49943005), (460, 43428700), (490, 40769800), (500, 39954404), (560, 35673575), (575, 34742960), (644, 31020500), (700, 28538860), (784, 25481125), (805, 24816400), (875, 22831088), (920, 21714350), (980, 20384900), (1000, 19977202), (1127, 17726000), (1150, 17371480), (1225, 16307920), (1288, 15510250), (1400, 14269430), (1610, 12408200), (1750, 11415544), (1840, 10857175), (1960, 10192450), (2000, 9988601), (2254, 8863000), (2300, 8685740), (2450, 8153960), (2576, 7755125), (2800, 7134715), (2875, 6948592), (3220, 6204100), (3500, 5707772), (3920, 5096225), (4025, 4963280), (4508, 4431500), (4600, 4342870), (4900, 4076980), (5635, 3545200), (5750, 3474296), (6125, 3261584), (6440, 3102050), (7000, 2853886), (8050, 2481640), (8863, 2254000), (9016, 2215750), (9200, 2171435), (9800, 2038490), (11270, 1772600), (11500, 1737148), (12250, 1630792), (12880, 1551025), (14000, 1426943), (16100, 1240820), (17726, 1127000), (18032, 1107875), (19600, 1019245), (20125, 992656), (22540, 886300), (23000, 868574), (24500, 815396), (28175, 709040), (32200, 620410), (35452, 563500), (40250, 496328), (44315, 450800), (45080, 443150), (46000, 434287), (49000, 407698), (56350, 354520), (62041, 322000), (64400, 310205), (70904, 281750), (80500, 248164), (88630, 225400), (90160, 221575), (98000, 203849), (112700, 177260), (124082, 161000), (140875, 141808)]