421750784

素因数分解:

$2^{11}\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{73}}^1$

素因数の和:146

約数の個数: 192

約数和(自身を含む): 1086059520

約数和(自身を除く): 664308736

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 31, 32, 52, 56, 62, 64, 73, 91, 104, 112, 124, 128, 146, 182, 208, 217, 224, 248, 256, 292, 364, 403, 416, 434, 448, 496, 511, 512, 584, 728, 806, 832, 868, 896, 949, 992, 1022, 1024, 1168, 1456, 1612, 1664, 1736, 1792, 1898, 1984, 2044, 2048, 2263, 2336, 2821, 2912, 3224, 3328, 3472, 3584, 3796, 3968, 4088, 4526, 4672, 5642, 5824, 6448, 6643, 6656, 6944, 7168, 7592, 7936, 8176, 9052, 9344, 11284, 11648, 12896, 13286, 13312, 13888, 14336, 15184, 15841, 15872, 16352, 18104, 18688, 22568, 23296, 25792, 26572, 26624, 27776, 29419, 30368, 31682, 31744, 32704, 36208, 37376, 45136, 46592, 51584, 53144, 55552, 58838, 60736, 63364, 63488, 65408, 72416, 74752, 90272, 93184, 103168, 106288, 111104, 117676, 121472, 126728, 130816, 144832, 149504, 180544, 186368, 205933, 206336, 212576, 222208, 235352, 242944, 253456, 261632, 289664, 361088, 411866, 412672, 425152, 444416, 470704, 485888, 506912, 523264, 579328, 722176, 823732, 825344, 850304, 941408, 971776, 1013824, 1046528, 1158656, 1444352, 1647464, 1700608, 1882816, 1943552, 2027648, 2317312, 2888704, 3294928, 3401216, 3765632, 4055296, 4634624, 5777408, 6589856, 6802432, 7531264, 8110592, 13179712, 13604864, 15062528, 16221184, 26359424, 30125056, 32442368, 52718848, 60250112, 105437696, 210875392, 421750784]

約数ペア:

[(1, 421750784), (2, 210875392), (4, 105437696), (7, 60250112), (8, 52718848), (13, 32442368), (14, 30125056), (16, 26359424), (26, 16221184), (28, 15062528), (31, 13604864), (32, 13179712), (52, 8110592), (56, 7531264), (62, 6802432), (64, 6589856), (73, 5777408), (91, 4634624), (104, 4055296), (112, 3765632), (124, 3401216), (128, 3294928), (146, 2888704), (182, 2317312), (208, 2027648), (217, 1943552), (224, 1882816), (248, 1700608), (256, 1647464), (292, 1444352), (364, 1158656), (403, 1046528), (416, 1013824), (434, 971776), (448, 941408), (496, 850304), (511, 825344), (512, 823732), (584, 722176), (728, 579328), (806, 523264), (832, 506912), (868, 485888), (896, 470704), (949, 444416), (992, 425152), (1022, 412672), (1024, 411866), (1168, 361088), (1456, 289664), (1612, 261632), (1664, 253456), (1736, 242944), (1792, 235352), (1898, 222208), (1984, 212576), (2044, 206336), (2048, 205933), (2263, 186368), (2336, 180544), (2821, 149504), (2912, 144832), (3224, 130816), (3328, 126728), (3472, 121472), (3584, 117676), (3796, 111104), (3968, 106288), (4088, 103168), (4526, 93184), (4672, 90272), (5642, 74752), (5824, 72416), (6448, 65408), (6643, 63488), (6656, 63364), (6944, 60736), (7168, 58838), (7592, 55552), (7936, 53144), (8176, 51584), (9052, 46592), (9344, 45136), (11284, 37376), (11648, 36208), (12896, 32704), (13286, 31744), (13312, 31682), (13888, 30368), (14336, 29419), (15184, 27776), (15841, 26624), (15872, 26572), (16352, 25792), (18104, 23296), (18688, 22568)]