428920440

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{499}}^1$

素因数の和:574

約数の個数: 256

約数和(自身を含む): 1512000000

約数和(自身を除く): 1083079560

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 19, 20, 24, 26, 29, 30, 38, 39, 40, 52, 57, 58, 60, 65, 76, 78, 87, 95, 104, 114, 116, 120, 130, 145, 152, 156, 174, 190, 195, 228, 232, 247, 260, 285, 290, 312, 348, 377, 380, 390, 435, 456, 494, 499, 520, 551, 570, 580, 696, 741, 754, 760, 780, 870, 988, 998, 1102, 1131, 1140, 1160, 1235, 1482, 1497, 1508, 1560, 1653, 1740, 1885, 1976, 1996, 2204, 2262, 2280, 2470, 2495, 2755, 2964, 2994, 3016, 3306, 3480, 3705, 3770, 3992, 4408, 4524, 4940, 4990, 5510, 5655, 5928, 5988, 6487, 6612, 7163, 7410, 7485, 7540, 8265, 9048, 9481, 9880, 9980, 11020, 11310, 11976, 12974, 13224, 14326, 14471, 14820, 14970, 15080, 16530, 18962, 19461, 19960, 21489, 22040, 22620, 25948, 28443, 28652, 28942, 29640, 29940, 32435, 33060, 35815, 37924, 38922, 42978, 43413, 45240, 47405, 51896, 56886, 57304, 57884, 59880, 64870, 66120, 71630, 72355, 75848, 77844, 85956, 86826, 94810, 97305, 107445, 113772, 115768, 123253, 129740, 142215, 143260, 144710, 155688, 171912, 173652, 188123, 189620, 194610, 214890, 217065, 227544, 246506, 259480, 274949, 284430, 286520, 289420, 347304, 369759, 376246, 379240, 389220, 429780, 434130, 493012, 549898, 564369, 568860, 578840, 616265, 739518, 752492, 778440, 824847, 859560, 868260, 940615, 986024, 1099796, 1128738, 1137720, 1232530, 1374745, 1479036, 1504984, 1649694, 1736520, 1848795, 1881230, 2199592, 2257476, 2465060, 2749490, 2821845, 2958072, 3299388, 3574337, 3697590, 3762460, 4124235, 4514952, 4930120, 5498980, 5643690, 6598776, 7148674, 7395180, 7524920, 8248470, 10723011, 10997960, 11287380, 14297348, 14790360, 16496940, 17871685, 21446022, 22574760, 28594696, 32993880, 35743370, 42892044, 53615055, 71486740, 85784088, 107230110, 142973480, 214460220, 428920440]

約数ペア:

[(1, 428920440), (2, 214460220), (3, 142973480), (4, 107230110), (5, 85784088), (6, 71486740), (8, 53615055), (10, 42892044), (12, 35743370), (13, 32993880), (15, 28594696), (19, 22574760), (20, 21446022), (24, 17871685), (26, 16496940), (29, 14790360), (30, 14297348), (38, 11287380), (39, 10997960), (40, 10723011), (52, 8248470), (57, 7524920), (58, 7395180), (60, 7148674), (65, 6598776), (76, 5643690), (78, 5498980), (87, 4930120), (95, 4514952), (104, 4124235), (114, 3762460), (116, 3697590), (120, 3574337), (130, 3299388), (145, 2958072), (152, 2821845), (156, 2749490), (174, 2465060), (190, 2257476), (195, 2199592), (228, 1881230), (232, 1848795), (247, 1736520), (260, 1649694), (285, 1504984), (290, 1479036), (312, 1374745), (348, 1232530), (377, 1137720), (380, 1128738), (390, 1099796), (435, 986024), (456, 940615), (494, 868260), (499, 859560), (520, 824847), (551, 778440), (570, 752492), (580, 739518), (696, 616265), (741, 578840), (754, 568860), (760, 564369), (780, 549898), (870, 493012), (988, 434130), (998, 429780), (1102, 389220), (1131, 379240), (1140, 376246), (1160, 369759), (1235, 347304), (1482, 289420), (1497, 286520), (1508, 284430), (1560, 274949), (1653, 259480), (1740, 246506), (1885, 227544), (1976, 217065), (1996, 214890), (2204, 194610), (2262, 189620), (2280, 188123), (2470, 173652), (2495, 171912), (2755, 155688), (2964, 144710), (2994, 143260), (3016, 142215), (3306, 129740), (3480, 123253), (3705, 115768), (3770, 113772), (3992, 107445), (4408, 97305), (4524, 94810), (4940, 86826), (4990, 85956), (5510, 77844), (5655, 75848), (5928, 72355), (5988, 71630), (6487, 66120), (6612, 64870), (7163, 59880), (7410, 57884), (7485, 57304), (7540, 56886), (8265, 51896), (9048, 47405), (9481, 45240), (9880, 43413), (9980, 42978), (11020, 38922), (11310, 37924), (11976, 35815), (12974, 33060), (13224, 32435), (14326, 29940), (14471, 29640), (14820, 28942), (14970, 28652), (15080, 28443), (16530, 25948), (18962, 22620), (19461, 22040), (19960, 21489)]