290920448

素因数分解:

$2^{11}\times 7^2\times {\mathrm{13}}^1\times {\mathrm{223}}^1$

素因数の和:272

約数の個数: 144

約数和(自身を含む): 731989440

約数和(自身を除く): 441068992

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 32, 49, 52, 56, 64, 91, 98, 104, 112, 128, 182, 196, 208, 223, 224, 256, 364, 392, 416, 446, 448, 512, 637, 728, 784, 832, 892, 896, 1024, 1274, 1456, 1561, 1568, 1664, 1784, 1792, 2048, 2548, 2899, 2912, 3122, 3136, 3328, 3568, 3584, 5096, 5798, 5824, 6244, 6272, 6656, 7136, 7168, 10192, 10927, 11596, 11648, 12488, 12544, 13312, 14272, 14336, 20293, 20384, 21854, 23192, 23296, 24976, 25088, 26624, 28544, 40586, 40768, 43708, 46384, 46592, 49952, 50176, 57088, 81172, 81536, 87416, 92768, 93184, 99904, 100352, 114176, 142051, 162344, 163072, 174832, 185536, 186368, 199808, 228352, 284102, 324688, 326144, 349664, 371072, 399616, 456704, 568204, 649376, 652288, 699328, 742144, 799232, 1136408, 1298752, 1304576, 1398656, 1484288, 1598464, 2272816, 2597504, 2797312, 2968576, 3196928, 4545632, 5195008, 5594624, 5937152, 9091264, 10390016, 11189248, 18182528, 20780032, 22378496, 36365056, 41560064, 72730112, 145460224, 290920448]

約数ペア:

[(1, 290920448), (2, 145460224), (4, 72730112), (7, 41560064), (8, 36365056), (13, 22378496), (14, 20780032), (16, 18182528), (26, 11189248), (28, 10390016), (32, 9091264), (49, 5937152), (52, 5594624), (56, 5195008), (64, 4545632), (91, 3196928), (98, 2968576), (104, 2797312), (112, 2597504), (128, 2272816), (182, 1598464), (196, 1484288), (208, 1398656), (223, 1304576), (224, 1298752), (256, 1136408), (364, 799232), (392, 742144), (416, 699328), (446, 652288), (448, 649376), (512, 568204), (637, 456704), (728, 399616), (784, 371072), (832, 349664), (892, 326144), (896, 324688), (1024, 284102), (1274, 228352), (1456, 199808), (1561, 186368), (1568, 185536), (1664, 174832), (1784, 163072), (1792, 162344), (2048, 142051), (2548, 114176), (2899, 100352), (2912, 99904), (3122, 93184), (3136, 92768), (3328, 87416), (3568, 81536), (3584, 81172), (5096, 57088), (5798, 50176), (5824, 49952), (6244, 46592), (6272, 46384), (6656, 43708), (7136, 40768), (7168, 40586), (10192, 28544), (10927, 26624), (11596, 25088), (11648, 24976), (12488, 23296), (12544, 23192), (13312, 21854), (14272, 20384), (14336, 20293)]