128269310

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{71}}^1\times {\mathrm{1069}}^1$

素因数の和:1173

約数の個数: 48

約数和(自身を含む): 253769760

約数和(自身を除く): 125500450

約数列:

[1, 2, 5, 10, 13, 26, 65, 71, 130, 142, 169, 338, 355, 710, 845, 923, 1069, 1690, 1846, 2138, 4615, 5345, 9230, 10690, 11999, 13897, 23998, 27794, 59995, 69485, 75899, 119990, 138970, 151798, 180661, 361322, 379495, 758990, 903305, 986687, 1806610, 1973374, 4933435, 9866870, 12826931, 25653862, 64134655, 128269310]

約数ペア:

[(1, 128269310), (2, 64134655), (5, 25653862), (10, 12826931), (13, 9866870), (26, 4933435), (65, 1973374), (71, 1806610), (130, 986687), (142, 903305), (169, 758990), (338, 379495), (355, 361322), (710, 180661), (845, 151798), (923, 138970), (1069, 119990), (1690, 75899), (1846, 69485), (2138, 59995), (4615, 27794), (5345, 23998), (9230, 13897), (10690, 11999)]