179627728

素因数分解:

$2^4\times 7^3\times {\mathrm{71}}^1\times {\mathrm{461}}^1$

素因数の和:561

約数の個数: 80

約数和(自身を含む): 412473600

約数和(自身を除く): 232845872

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 49, 56, 71, 98, 112, 142, 196, 284, 343, 392, 461, 497, 568, 686, 784, 922, 994, 1136, 1372, 1844, 1988, 2744, 3227, 3479, 3688, 3976, 5488, 6454, 6958, 7376, 7952, 12908, 13916, 22589, 24353, 25816, 27832, 32731, 45178, 48706, 51632, 55664, 65462, 90356, 97412, 130924, 158123, 180712, 194824, 229117, 261848, 316246, 361424, 389648, 458234, 523696, 632492, 916468, 1264984, 1603819, 1832936, 2529968, 3207638, 3665872, 6415276, 11226733, 12830552, 22453466, 25661104, 44906932, 89813864, 179627728]

約数ペア:

[(1, 179627728), (2, 89813864), (4, 44906932), (7, 25661104), (8, 22453466), (14, 12830552), (16, 11226733), (28, 6415276), (49, 3665872), (56, 3207638), (71, 2529968), (98, 1832936), (112, 1603819), (142, 1264984), (196, 916468), (284, 632492), (343, 523696), (392, 458234), (461, 389648), (497, 361424), (568, 316246), (686, 261848), (784, 229117), (922, 194824), (994, 180712), (1136, 158123), (1372, 130924), (1844, 97412), (1988, 90356), (2744, 65462), (3227, 55664), (3479, 51632), (3688, 48706), (3976, 45178), (5488, 32731), (6454, 27832), (6958, 25816), (7376, 24353), (7952, 22589), (12908, 13916)]