90287008

素因数分解:

$2^5\times 7^2\times {\mathrm{71}}^1\times {\mathrm{811}}^1$

素因数の和:906

約数の個数: 72

約数和(自身を含む): 209944224

約数和(自身を除く): 119657216

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 49, 56, 71, 98, 112, 142, 196, 224, 284, 392, 497, 568, 784, 811, 994, 1136, 1568, 1622, 1988, 2272, 3244, 3479, 3976, 5677, 6488, 6958, 7952, 11354, 12976, 13916, 15904, 22708, 25952, 27832, 39739, 45416, 55664, 57581, 79478, 90832, 111328, 115162, 158956, 181664, 230324, 317912, 403067, 460648, 635824, 806134, 921296, 1271648, 1612268, 1842592, 2821469, 3224536, 5642938, 6449072, 11285876, 12898144, 22571752, 45143504, 90287008]

約数ペア:

[(1, 90287008), (2, 45143504), (4, 22571752), (7, 12898144), (8, 11285876), (14, 6449072), (16, 5642938), (28, 3224536), (32, 2821469), (49, 1842592), (56, 1612268), (71, 1271648), (98, 921296), (112, 806134), (142, 635824), (196, 460648), (224, 403067), (284, 317912), (392, 230324), (497, 181664), (568, 158956), (784, 115162), (811, 111328), (994, 90832), (1136, 79478), (1568, 57581), (1622, 55664), (1988, 45416), (2272, 39739), (3244, 27832), (3479, 25952), (3976, 22708), (5677, 15904), (6488, 13916), (6958, 12976), (7952, 11354)]