20805400000

素因数分解:

$2^6\times 5^5\times 7^2\times {\mathrm{11}}^1\times {\mathrm{193}}^1$

素因数の和:255

約数の個数: 504

約数和(自身を含む): 65825443152

約数和(自身を除く): 45020043152

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 25, 28, 32, 35, 40, 44, 49, 50, 55, 56, 64, 70, 77, 80, 88, 98, 100, 110, 112, 125, 140, 154, 160, 175, 176, 193, 196, 200, 220, 224, 245, 250, 275, 280, 308, 320, 350, 352, 385, 386, 392, 400, 440, 448, 490, 500, 539, 550, 560, 616, 625, 700, 704, 770, 772, 784, 800, 875, 880, 965, 980, 1000, 1078, 1100, 1120, 1225, 1232, 1250, 1351, 1375, 1400, 1540, 1544, 1568, 1600, 1750, 1760, 1925, 1930, 1960, 2000, 2123, 2156, 2200, 2240, 2450, 2464, 2500, 2695, 2702, 2750, 2800, 3080, 3088, 3125, 3136, 3500, 3520, 3850, 3860, 3920, 4000, 4246, 4312, 4375, 4400, 4825, 4900, 4928, 5000, 5390, 5404, 5500, 5600, 6125, 6160, 6176, 6250, 6755, 6875, 7000, 7700, 7720, 7840, 8000, 8492, 8624, 8750, 8800, 9457, 9625, 9650, 9800, 10000, 10615, 10780, 10808, 11000, 11200, 12250, 12320, 12352, 12500, 13475, 13510, 13750, 14000, 14861, 15400, 15440, 15680, 16984, 17248, 17500, 17600, 18914, 19250, 19300, 19600, 20000, 21230, 21560, 21616, 21875, 22000, 24125, 24500, 24640, 25000, 26950, 27020, 27500, 28000, 29722, 30625, 30800, 30880, 33775, 33968, 34375, 34496, 35000, 37828, 38500, 38600, 39200, 40000, 42460, 43120, 43232, 43750, 44000, 47285, 48125, 48250, 49000, 50000, 53075, 53900, 54040, 55000, 56000, 59444, 61250, 61600, 61760, 67375, 67550, 67936, 68750, 70000, 74305, 75656, 77000, 77200, 78400, 84920, 86240, 86464, 87500, 88000, 94570, 96250, 96500, 98000, 100000, 104027, 106150, 107800, 108080, 110000, 118888, 120625, 122500, 123200, 134750, 135100, 135872, 137500, 140000, 148610, 151312, 153125, 154000, 154400, 168875, 169840, 172480, 175000, 189140, 192500, 193000, 196000, 200000, 208054, 212300, 215600, 216160, 220000, 236425, 237776, 240625, 241250, 245000, 265375, 269500, 270200, 275000, 280000, 297220, 302624, 306250, 308000, 308800, 336875, 337750, 339680, 350000, 371525, 378280, 385000, 386000, 392000, 416108, 424600, 431200, 432320, 440000, 472850, 475552, 481250, 482500, 490000, 520135, 530750, 539000, 540400, 550000, 594440, 603125, 605248, 612500, 616000, 673750, 675500, 679360, 700000, 743050, 756560, 770000, 772000, 832216, 844375, 849200, 862400, 945700, 951104, 962500, 965000, 980000, 1040270, 1061500, 1078000, 1080800, 1100000, 1182125, 1188880, 1206250, 1225000, 1326875, 1347500, 1351000, 1400000, 1486100, 1513120, 1540000, 1544000, 1664432, 1684375, 1688750, 1698400, 1857625, 1891400, 1925000, 1930000, 1960000, 2080540, 2123000, 2156000, 2161600, 2200000, 2364250, 2377760, 2412500, 2450000, 2600675, 2653750, 2695000, 2702000, 2972200, 3026240, 3080000, 3328864, 3368750, 3377500, 3396800, 3715250, 3782800, 3850000, 3860000, 4161080, 4221875, 4246000, 4312000, 4728500, 4755520, 4825000, 4900000, 5201350, 5307500, 5390000, 5404000, 5910625, 5944400, 6634375, 6657728, 6737500, 6755000, 7430500, 7565600, 7700000, 7720000, 8322160, 8443750, 8492000, 9288125, 9457000, 9650000, 9800000, 10402700, 10615000, 10780000, 10808000, 11821250, 11888800, 13003375, 13268750, 13475000, 13510000, 14861000, 15131200, 15400000, 16644320, 16887500, 16984000, 18576250, 18914000, 19300000, 20805400, 21230000, 21560000, 23642500, 23777600, 26006750, 26537500, 26950000, 27020000, 29553125, 29722000, 33288640, 33775000, 37152500, 37828000, 38600000, 41610800, 42460000, 46440625, 47285000, 52013500, 53075000, 53900000, 54040000, 59106250, 59444000, 65016875, 67550000, 74305000, 75656000, 83221600, 84920000, 92881250, 94570000, 104027000, 106150000, 107800000, 118212500, 118888000, 130033750, 135100000, 148610000, 166443200, 185762500, 189140000, 208054000, 212300000, 236425000, 260067500, 270200000, 297220000, 325084375, 371525000, 378280000, 416108000, 424600000, 472850000, 520135000, 594440000, 650168750, 743050000, 832216000, 945700000, 1040270000, 1300337500, 1486100000, 1891400000, 2080540000, 2600675000, 2972200000, 4161080000, 5201350000, 10402700000, 20805400000]

約数ペア:

[(1, 20805400000), (2, 10402700000), (4, 5201350000), (5, 4161080000), (7, 2972200000), (8, 2600675000), (10, 2080540000), (11, 1891400000), (14, 1486100000), (16, 1300337500), (20, 1040270000), (22, 945700000), (25, 832216000), (28, 743050000), (32, 650168750), (35, 594440000), (40, 520135000), (44, 472850000), (49, 424600000), (50, 416108000), (55, 378280000), (56, 371525000), (64, 325084375), (70, 297220000), (77, 270200000), (80, 260067500), (88, 236425000), (98, 212300000), (100, 208054000), (110, 189140000), (112, 185762500), (125, 166443200), (140, 148610000), (154, 135100000), (160, 130033750), (175, 118888000), (176, 118212500), (193, 107800000), (196, 106150000), (200, 104027000), (220, 94570000), (224, 92881250), (245, 84920000), (250, 83221600), (275, 75656000), (280, 74305000), (308, 67550000), (320, 65016875), (350, 59444000), (352, 59106250), (385, 54040000), (386, 53900000), (392, 53075000), (400, 52013500), (440, 47285000), (448, 46440625), (490, 42460000), (500, 41610800), (539, 38600000), (550, 37828000), (560, 37152500), (616, 33775000), (625, 33288640), (700, 29722000), (704, 29553125), (770, 27020000), (772, 26950000), (784, 26537500), (800, 26006750), (875, 23777600), (880, 23642500), (965, 21560000), (980, 21230000), (1000, 20805400), (1078, 19300000), (1100, 18914000), (1120, 18576250), (1225, 16984000), (1232, 16887500), (1250, 16644320), (1351, 15400000), (1375, 15131200), (1400, 14861000), (1540, 13510000), (1544, 13475000), (1568, 13268750), (1600, 13003375), (1750, 11888800), (1760, 11821250), (1925, 10808000), (1930, 10780000), (1960, 10615000), (2000, 10402700), (2123, 9800000), (2156, 9650000), (2200, 9457000), (2240, 9288125), (2450, 8492000), (2464, 8443750), (2500, 8322160), (2695, 7720000), (2702, 7700000), (2750, 7565600), (2800, 7430500), (3080, 6755000), (3088, 6737500), (3125, 6657728), (3136, 6634375), (3500, 5944400), (3520, 5910625), (3850, 5404000), (3860, 5390000), (3920, 5307500), (4000, 5201350), (4246, 4900000), (4312, 4825000), (4375, 4755520), (4400, 4728500), (4825, 4312000), (4900, 4246000), (4928, 4221875), (5000, 4161080), (5390, 3860000), (5404, 3850000), (5500, 3782800), (5600, 3715250), (6125, 3396800), (6160, 3377500), (6176, 3368750), (6250, 3328864), (6755, 3080000), (6875, 3026240), (7000, 2972200), (7700, 2702000), (7720, 2695000), (7840, 2653750), (8000, 2600675), (8492, 2450000), (8624, 2412500), (8750, 2377760), (8800, 2364250), (9457, 2200000), (9625, 2161600), (9650, 2156000), (9800, 2123000), (10000, 2080540), (10615, 1960000), (10780, 1930000), (10808, 1925000), (11000, 1891400), (11200, 1857625), (12250, 1698400), (12320, 1688750), (12352, 1684375), (12500, 1664432), (13475, 1544000), (13510, 1540000), (13750, 1513120), (14000, 1486100), (14861, 1400000), (15400, 1351000), (15440, 1347500), (15680, 1326875), (16984, 1225000), (17248, 1206250), (17500, 1188880), (17600, 1182125), (18914, 1100000), (19250, 1080800), (19300, 1078000), (19600, 1061500), (20000, 1040270), (21230, 980000), (21560, 965000), (21616, 962500), (21875, 951104), (22000, 945700), (24125, 862400), (24500, 849200), (24640, 844375), (25000, 832216), (26950, 772000), (27020, 770000), (27500, 756560), (28000, 743050), (29722, 700000), (30625, 679360), (30800, 675500), (30880, 673750), (33775, 616000), (33968, 612500), (34375, 605248), (34496, 603125), (35000, 594440), (37828, 550000), (38500, 540400), (38600, 539000), (39200, 530750), (40000, 520135), (42460, 490000), (43120, 482500), (43232, 481250), (43750, 475552), (44000, 472850), (47285, 440000), (48125, 432320), (48250, 431200), (49000, 424600), (50000, 416108), (53075, 392000), (53900, 386000), (54040, 385000), (55000, 378280), (56000, 371525), (59444, 350000), (61250, 339680), (61600, 337750), (61760, 336875), (67375, 308800), (67550, 308000), (67936, 306250), (68750, 302624), (70000, 297220), (74305, 280000), (75656, 275000), (77000, 270200), (77200, 269500), (78400, 265375), (84920, 245000), (86240, 241250), (86464, 240625), (87500, 237776), (88000, 236425), (94570, 220000), (96250, 216160), (96500, 215600), (98000, 212300), (100000, 208054), (104027, 200000), (106150, 196000), (107800, 193000), (108080, 192500), (110000, 189140), (118888, 175000), (120625, 172480), (122500, 169840), (123200, 168875), (134750, 154400), (135100, 154000), (135872, 153125), (137500, 151312), (140000, 148610)]