90440084

素因数分解:

$2^2\times 7^2\times {\mathrm{67}}^1\times {\mathrm{71}}^1\times {\mathrm{97}}^1$

素因数の和:253

約数の個数: 72

約数和(自身を含む): 191443392

約数和(自身を除く): 101003308

約数列:

[1, 2, 4, 7, 14, 28, 49, 67, 71, 97, 98, 134, 142, 194, 196, 268, 284, 388, 469, 497, 679, 938, 994, 1358, 1876, 1988, 2716, 3283, 3479, 4753, 4757, 6499, 6566, 6887, 6958, 9506, 9514, 12998, 13132, 13774, 13916, 19012, 19028, 25996, 27548, 33299, 45493, 48209, 66598, 90986, 96418, 133196, 181972, 192836, 233093, 318451, 337463, 461429, 466186, 636902, 674926, 922858, 932372, 1273804, 1349852, 1845716, 3230003, 6460006, 12920012, 22610021, 45220042, 90440084]

約数ペア:

[(1, 90440084), (2, 45220042), (4, 22610021), (7, 12920012), (14, 6460006), (28, 3230003), (49, 1845716), (67, 1349852), (71, 1273804), (97, 932372), (98, 922858), (134, 674926), (142, 636902), (194, 466186), (196, 461429), (268, 337463), (284, 318451), (388, 233093), (469, 192836), (497, 181972), (679, 133196), (938, 96418), (994, 90986), (1358, 66598), (1876, 48209), (1988, 45493), (2716, 33299), (3283, 27548), (3479, 25996), (4753, 19028), (4757, 19012), (6499, 13916), (6566, 13774), (6887, 13132), (6958, 12998), (9506, 9514)]