19988983520

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{937}}^1$

素因数の和:1034

約数の個数: 384

約数和(自身を含む): 58817912832

約数和(自身を除く): 38828929312

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 17, 20, 22, 23, 31, 32, 34, 40, 44, 46, 55, 62, 68, 80, 85, 88, 92, 110, 115, 124, 136, 155, 160, 170, 176, 184, 187, 220, 230, 248, 253, 272, 310, 340, 341, 352, 368, 374, 391, 440, 460, 496, 506, 527, 544, 620, 680, 682, 713, 736, 748, 782, 880, 920, 935, 937, 992, 1012, 1054, 1240, 1265, 1360, 1364, 1426, 1496, 1564, 1705, 1760, 1840, 1870, 1874, 1955, 2024, 2108, 2480, 2530, 2635, 2720, 2728, 2852, 2992, 3128, 3410, 3565, 3680, 3740, 3748, 3910, 4048, 4216, 4301, 4685, 4960, 5060, 5270, 5456, 5704, 5797, 5984, 6256, 6820, 7130, 7480, 7496, 7820, 7843, 8096, 8432, 8602, 9370, 10120, 10307, 10540, 10912, 11408, 11594, 12121, 12512, 13640, 14260, 14960, 14992, 15640, 15686, 15929, 16864, 17204, 18740, 20240, 20614, 21080, 21505, 21551, 22816, 23188, 24242, 27280, 28520, 28985, 29047, 29920, 29984, 31280, 31372, 31858, 34408, 37480, 39215, 40480, 41228, 42160, 43010, 43102, 46376, 48484, 51535, 54560, 57040, 57970, 58094, 60605, 62560, 62744, 63716, 68816, 74960, 78430, 79645, 82456, 84320, 86020, 86204, 92752, 96968, 103070, 107755, 114080, 115940, 116188, 121210, 125488, 127432, 133331, 137632, 145235, 149920, 156860, 159290, 164912, 172040, 172408, 175219, 185504, 193936, 206140, 215510, 231880, 232376, 237061, 242420, 250976, 254864, 266662, 290470, 313720, 318580, 319517, 329824, 344080, 344816, 350438, 366367, 387872, 412280, 431020, 463760, 464752, 474122, 484840, 493799, 509728, 533324, 580940, 627440, 637160, 639034, 666655, 668081, 688160, 689632, 700876, 732734, 824560, 862040, 876095, 927520, 929504, 948244, 969680, 987598, 1066648, 1161880, 1185305, 1254880, 1274320, 1278068, 1333310, 1336162, 1401752, 1465468, 1597585, 1649120, 1724080, 1752190, 1831835, 1896488, 1939360, 1975196, 2133296, 2323760, 2370610, 2468995, 2548640, 2556136, 2666620, 2672324, 2803504, 2930936, 3195170, 3340405, 3448160, 3504380, 3663670, 3792976, 3950392, 4030037, 4266592, 4647520, 4741220, 4937990, 5112272, 5333240, 5344648, 5431789, 5607008, 5861872, 6390340, 6680810, 7008760, 7327340, 7348891, 7585952, 7900784, 8060074, 9482440, 9875980, 10224544, 10666480, 10689296, 10863578, 11357377, 11723744, 12780680, 13361620, 14017520, 14654680, 14697782, 15801568, 16120148, 18964880, 19751960, 20150185, 21332960, 21378592, 21727156, 22714754, 25561360, 26723240, 27158945, 28035040, 29309360, 29395564, 32240296, 36744455, 37929760, 39503920, 40300370, 43454312, 45429508, 51122720, 53446480, 54317890, 56786885, 58618720, 58791128, 64480592, 73488910, 79007840, 80600740, 86908624, 90859016, 106892960, 108635780, 113573770, 117582256, 124931147, 128961184, 146977820, 161201480, 173817248, 181718032, 217271560, 227147540, 235164512, 249862294, 293955640, 322402960, 363436064, 434543120, 454295080, 499724588, 587911280, 624655735, 644805920, 869086240, 908590160, 999449176, 1175822560, 1249311470, 1817180320, 1998898352, 2498622940, 3997796704, 4997245880, 9994491760, 19988983520]

約数ペア:

[(1, 19988983520), (2, 9994491760), (4, 4997245880), (5, 3997796704), (8, 2498622940), (10, 1998898352), (11, 1817180320), (16, 1249311470), (17, 1175822560), (20, 999449176), (22, 908590160), (23, 869086240), (31, 644805920), (32, 624655735), (34, 587911280), (40, 499724588), (44, 454295080), (46, 434543120), (55, 363436064), (62, 322402960), (68, 293955640), (80, 249862294), (85, 235164512), (88, 227147540), (92, 217271560), (110, 181718032), (115, 173817248), (124, 161201480), (136, 146977820), (155, 128961184), (160, 124931147), (170, 117582256), (176, 113573770), (184, 108635780), (187, 106892960), (220, 90859016), (230, 86908624), (248, 80600740), (253, 79007840), (272, 73488910), (310, 64480592), (340, 58791128), (341, 58618720), (352, 56786885), (368, 54317890), (374, 53446480), (391, 51122720), (440, 45429508), (460, 43454312), (496, 40300370), (506, 39503920), (527, 37929760), (544, 36744455), (620, 32240296), (680, 29395564), (682, 29309360), (713, 28035040), (736, 27158945), (748, 26723240), (782, 25561360), (880, 22714754), (920, 21727156), (935, 21378592), (937, 21332960), (992, 20150185), (1012, 19751960), (1054, 18964880), (1240, 16120148), (1265, 15801568), (1360, 14697782), (1364, 14654680), (1426, 14017520), (1496, 13361620), (1564, 12780680), (1705, 11723744), (1760, 11357377), (1840, 10863578), (1870, 10689296), (1874, 10666480), (1955, 10224544), (2024, 9875980), (2108, 9482440), (2480, 8060074), (2530, 7900784), (2635, 7585952), (2720, 7348891), (2728, 7327340), (2852, 7008760), (2992, 6680810), (3128, 6390340), (3410, 5861872), (3565, 5607008), (3680, 5431789), (3740, 5344648), (3748, 5333240), (3910, 5112272), (4048, 4937990), (4216, 4741220), (4301, 4647520), (4685, 4266592), (4960, 4030037), (5060, 3950392), (5270, 3792976), (5456, 3663670), (5704, 3504380), (5797, 3448160), (5984, 3340405), (6256, 3195170), (6820, 2930936), (7130, 2803504), (7480, 2672324), (7496, 2666620), (7820, 2556136), (7843, 2548640), (8096, 2468995), (8432, 2370610), (8602, 2323760), (9370, 2133296), (10120, 1975196), (10307, 1939360), (10540, 1896488), (10912, 1831835), (11408, 1752190), (11594, 1724080), (12121, 1649120), (12512, 1597585), (13640, 1465468), (14260, 1401752), (14960, 1336162), (14992, 1333310), (15640, 1278068), (15686, 1274320), (15929, 1254880), (16864, 1185305), (17204, 1161880), (18740, 1066648), (20240, 987598), (20614, 969680), (21080, 948244), (21505, 929504), (21551, 927520), (22816, 876095), (23188, 862040), (24242, 824560), (27280, 732734), (28520, 700876), (28985, 689632), (29047, 688160), (29920, 668081), (29984, 666655), (31280, 639034), (31372, 637160), (31858, 627440), (34408, 580940), (37480, 533324), (39215, 509728), (40480, 493799), (41228, 484840), (42160, 474122), (43010, 464752), (43102, 463760), (46376, 431020), (48484, 412280), (51535, 387872), (54560, 366367), (57040, 350438), (57970, 344816), (58094, 344080), (60605, 329824), (62560, 319517), (62744, 318580), (63716, 313720), (68816, 290470), (74960, 266662), (78430, 254864), (79645, 250976), (82456, 242420), (84320, 237061), (86020, 232376), (86204, 231880), (92752, 215510), (96968, 206140), (103070, 193936), (107755, 185504), (114080, 175219), (115940, 172408), (116188, 172040), (121210, 164912), (125488, 159290), (127432, 156860), (133331, 149920), (137632, 145235)]