2049987520

素因数分解:

$2^6\times 5^1\times 7^3\times {\mathrm{19}}^1\times {\mathrm{983}}^1$

素因数の和:1040

約数の個数: 224

約数和(自身を含む): 5998464000

約数和(自身を除く): 3948476480

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 19, 20, 28, 32, 35, 38, 40, 49, 56, 64, 70, 76, 80, 95, 98, 112, 133, 140, 152, 160, 190, 196, 224, 245, 266, 280, 304, 320, 343, 380, 392, 448, 490, 532, 560, 608, 665, 686, 760, 784, 931, 980, 983, 1064, 1120, 1216, 1330, 1372, 1520, 1568, 1715, 1862, 1960, 1966, 2128, 2240, 2660, 2744, 3040, 3136, 3430, 3724, 3920, 3932, 4256, 4655, 4915, 5320, 5488, 6080, 6517, 6860, 6881, 7448, 7840, 7864, 8512, 9310, 9830, 10640, 10976, 13034, 13720, 13762, 14896, 15680, 15728, 18620, 18677, 19660, 21280, 21952, 26068, 27440, 27524, 29792, 31456, 32585, 34405, 37240, 37354, 39320, 42560, 48167, 52136, 54880, 55048, 59584, 62912, 65170, 68810, 74480, 74708, 78640, 93385, 96334, 104272, 109760, 110096, 130340, 130739, 137620, 148960, 149416, 157280, 186770, 192668, 208544, 220192, 240835, 260680, 261478, 275240, 297920, 298832, 314560, 337169, 373540, 385336, 417088, 440384, 481670, 521360, 522956, 550480, 597664, 653695, 674338, 747080, 770672, 915173, 963340, 1042720, 1045912, 1100960, 1195328, 1307390, 1348676, 1494160, 1541344, 1685845, 1830346, 1926680, 2085440, 2091824, 2201920, 2614780, 2697352, 2988320, 3082688, 3371690, 3660692, 3853360, 4183648, 4575865, 5229560, 5394704, 5976640, 6406211, 6743380, 7321384, 7706720, 8367296, 9151730, 10459120, 10789408, 12812422, 13486760, 14642768, 15413440, 18303460, 20918240, 21578816, 25624844, 26973520, 29285536, 32031055, 36606920, 41836480, 51249688, 53947040, 58571072, 64062110, 73213840, 102499376, 107894080, 128124220, 146427680, 204998752, 256248440, 292855360, 409997504, 512496880, 1024993760, 2049987520]

約数ペア:

[(1, 2049987520), (2, 1024993760), (4, 512496880), (5, 409997504), (7, 292855360), (8, 256248440), (10, 204998752), (14, 146427680), (16, 128124220), (19, 107894080), (20, 102499376), (28, 73213840), (32, 64062110), (35, 58571072), (38, 53947040), (40, 51249688), (49, 41836480), (56, 36606920), (64, 32031055), (70, 29285536), (76, 26973520), (80, 25624844), (95, 21578816), (98, 20918240), (112, 18303460), (133, 15413440), (140, 14642768), (152, 13486760), (160, 12812422), (190, 10789408), (196, 10459120), (224, 9151730), (245, 8367296), (266, 7706720), (280, 7321384), (304, 6743380), (320, 6406211), (343, 5976640), (380, 5394704), (392, 5229560), (448, 4575865), (490, 4183648), (532, 3853360), (560, 3660692), (608, 3371690), (665, 3082688), (686, 2988320), (760, 2697352), (784, 2614780), (931, 2201920), (980, 2091824), (983, 2085440), (1064, 1926680), (1120, 1830346), (1216, 1685845), (1330, 1541344), (1372, 1494160), (1520, 1348676), (1568, 1307390), (1715, 1195328), (1862, 1100960), (1960, 1045912), (1966, 1042720), (2128, 963340), (2240, 915173), (2660, 770672), (2744, 747080), (3040, 674338), (3136, 653695), (3430, 597664), (3724, 550480), (3920, 522956), (3932, 521360), (4256, 481670), (4655, 440384), (4915, 417088), (5320, 385336), (5488, 373540), (6080, 337169), (6517, 314560), (6860, 298832), (6881, 297920), (7448, 275240), (7840, 261478), (7864, 260680), (8512, 240835), (9310, 220192), (9830, 208544), (10640, 192668), (10976, 186770), (13034, 157280), (13720, 149416), (13762, 148960), (14896, 137620), (15680, 130739), (15728, 130340), (18620, 110096), (18677, 109760), (19660, 104272), (21280, 96334), (21952, 93385), (26068, 78640), (27440, 74708), (27524, 74480), (29792, 68810), (31456, 65170), (32585, 62912), (34405, 59584), (37240, 55048), (37354, 54880), (39320, 52136), (42560, 48167)]