197806440

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{149}}^1$

素因数の和:236

約数の個数: 256

約数和(自身を含む): 689472000

約数和(自身を除く): 491665560

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 23, 24, 26, 30, 37, 39, 40, 46, 52, 60, 65, 69, 74, 78, 92, 104, 111, 115, 120, 130, 138, 148, 149, 156, 184, 185, 195, 222, 230, 260, 276, 296, 298, 299, 312, 345, 370, 390, 444, 447, 460, 481, 520, 552, 555, 596, 598, 690, 740, 745, 780, 851, 888, 894, 897, 920, 962, 1110, 1192, 1196, 1380, 1443, 1480, 1490, 1495, 1560, 1702, 1788, 1794, 1924, 1937, 2220, 2235, 2392, 2405, 2553, 2760, 2886, 2980, 2990, 3404, 3427, 3576, 3588, 3848, 3874, 4255, 4440, 4470, 4485, 4810, 5106, 5513, 5772, 5811, 5960, 5980, 6808, 6854, 7176, 7215, 7748, 8510, 8940, 8970, 9620, 9685, 10212, 10281, 11026, 11063, 11544, 11622, 11960, 12765, 13708, 14430, 15496, 16539, 17020, 17135, 17880, 17940, 19240, 19370, 20424, 20562, 22052, 22126, 23244, 25530, 27416, 27565, 28860, 29055, 33078, 33189, 34040, 34270, 35880, 38740, 41124, 44104, 44252, 44551, 46488, 51060, 51405, 55130, 55315, 57720, 58110, 66156, 66378, 68540, 71669, 77480, 82248, 82695, 88504, 89102, 102120, 102810, 110260, 110630, 116220, 126799, 132312, 132756, 133653, 137080, 143338, 165390, 165945, 178204, 205620, 215007, 220520, 221260, 222755, 232440, 253598, 265512, 267306, 286676, 330780, 331890, 356408, 358345, 380397, 411240, 430014, 442520, 445510, 507196, 534612, 573352, 633995, 661560, 663780, 668265, 716690, 760794, 860028, 891020, 1014392, 1069224, 1075035, 1267990, 1327560, 1336530, 1433380, 1521588, 1648387, 1720056, 1782040, 1901985, 2150070, 2535980, 2673060, 2866760, 3043176, 3296774, 3803970, 4300140, 4945161, 5071960, 5346120, 6593548, 7607940, 8241935, 8600280, 9890322, 13187096, 15215880, 16483870, 19780644, 24725805, 32967740, 39561288, 49451610, 65935480, 98903220, 197806440]

約数ペア:

[(1, 197806440), (2, 98903220), (3, 65935480), (4, 49451610), (5, 39561288), (6, 32967740), (8, 24725805), (10, 19780644), (12, 16483870), (13, 15215880), (15, 13187096), (20, 9890322), (23, 8600280), (24, 8241935), (26, 7607940), (30, 6593548), (37, 5346120), (39, 5071960), (40, 4945161), (46, 4300140), (52, 3803970), (60, 3296774), (65, 3043176), (69, 2866760), (74, 2673060), (78, 2535980), (92, 2150070), (104, 1901985), (111, 1782040), (115, 1720056), (120, 1648387), (130, 1521588), (138, 1433380), (148, 1336530), (149, 1327560), (156, 1267990), (184, 1075035), (185, 1069224), (195, 1014392), (222, 891020), (230, 860028), (260, 760794), (276, 716690), (296, 668265), (298, 663780), (299, 661560), (312, 633995), (345, 573352), (370, 534612), (390, 507196), (444, 445510), (447, 442520), (460, 430014), (481, 411240), (520, 380397), (552, 358345), (555, 356408), (596, 331890), (598, 330780), (690, 286676), (740, 267306), (745, 265512), (780, 253598), (851, 232440), (888, 222755), (894, 221260), (897, 220520), (920, 215007), (962, 205620), (1110, 178204), (1192, 165945), (1196, 165390), (1380, 143338), (1443, 137080), (1480, 133653), (1490, 132756), (1495, 132312), (1560, 126799), (1702, 116220), (1788, 110630), (1794, 110260), (1924, 102810), (1937, 102120), (2220, 89102), (2235, 88504), (2392, 82695), (2405, 82248), (2553, 77480), (2760, 71669), (2886, 68540), (2980, 66378), (2990, 66156), (3404, 58110), (3427, 57720), (3576, 55315), (3588, 55130), (3848, 51405), (3874, 51060), (4255, 46488), (4440, 44551), (4470, 44252), (4485, 44104), (4810, 41124), (5106, 38740), (5513, 35880), (5772, 34270), (5811, 34040), (5960, 33189), (5980, 33078), (6808, 29055), (6854, 28860), (7176, 27565), (7215, 27416), (7748, 25530), (8510, 23244), (8940, 22126), (8970, 22052), (9620, 20562), (9685, 20424), (10212, 19370), (10281, 19240), (11026, 17940), (11063, 17880), (11544, 17135), (11622, 17020), (11960, 16539), (12765, 15496), (13708, 14430)]