199945088

素因数分解:

$2^7\times 7^2\times {\mathrm{71}}^1\times {\mathrm{449}}^1$

素因数の和:548

約数の個数: 96

約数和(自身を含む): 470934000

約数和(自身を除く): 270988912

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 49, 56, 64, 71, 98, 112, 128, 142, 196, 224, 284, 392, 448, 449, 497, 568, 784, 896, 898, 994, 1136, 1568, 1796, 1988, 2272, 3136, 3143, 3479, 3592, 3976, 4544, 6272, 6286, 6958, 7184, 7952, 9088, 12572, 13916, 14368, 15904, 22001, 25144, 27832, 28736, 31808, 31879, 44002, 50288, 55664, 57472, 63616, 63758, 88004, 100576, 111328, 127516, 176008, 201152, 222656, 223153, 255032, 352016, 402304, 445312, 446306, 510064, 704032, 892612, 1020128, 1408064, 1562071, 1785224, 2040256, 2816128, 3124142, 3570448, 4080512, 6248284, 7140896, 12496568, 14281792, 24993136, 28563584, 49986272, 99972544, 199945088]

約数ペア:

[(1, 199945088), (2, 99972544), (4, 49986272), (7, 28563584), (8, 24993136), (14, 14281792), (16, 12496568), (28, 7140896), (32, 6248284), (49, 4080512), (56, 3570448), (64, 3124142), (71, 2816128), (98, 2040256), (112, 1785224), (128, 1562071), (142, 1408064), (196, 1020128), (224, 892612), (284, 704032), (392, 510064), (448, 446306), (449, 445312), (497, 402304), (568, 352016), (784, 255032), (896, 223153), (898, 222656), (994, 201152), (1136, 176008), (1568, 127516), (1796, 111328), (1988, 100576), (2272, 88004), (3136, 63758), (3143, 63616), (3479, 57472), (3592, 55664), (3976, 50288), (4544, 44002), (6272, 31879), (6286, 31808), (6958, 28736), (7184, 27832), (7952, 25144), (9088, 22001), (12572, 15904), (13916, 14368)]