87540208

素因数分解:

$2^4\times 7^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{1999}}^1$

素因数の和:2054

約数の個数: 80

約数和(自身を含む): 214272000

約数和(自身を除く): 126731792

約数列:

[1, 2, 4, 7, 8, 14, 16, 17, 23, 28, 34, 46, 56, 68, 92, 112, 119, 136, 161, 184, 238, 272, 322, 368, 391, 476, 644, 782, 952, 1288, 1564, 1904, 1999, 2576, 2737, 3128, 3998, 5474, 6256, 7996, 10948, 13993, 15992, 21896, 27986, 31984, 33983, 43792, 45977, 55972, 67966, 91954, 111944, 135932, 183908, 223888, 237881, 271864, 321839, 367816, 475762, 543728, 643678, 735632, 781609, 951524, 1287356, 1563218, 1903048, 2574712, 3126436, 3806096, 5149424, 5471263, 6252872, 10942526, 12505744, 21885052, 43770104, 87540208]

約数ペア:

[(1, 87540208), (2, 43770104), (4, 21885052), (7, 12505744), (8, 10942526), (14, 6252872), (16, 5471263), (17, 5149424), (23, 3806096), (28, 3126436), (34, 2574712), (46, 1903048), (56, 1563218), (68, 1287356), (92, 951524), (112, 781609), (119, 735632), (136, 643678), (161, 543728), (184, 475762), (238, 367816), (272, 321839), (322, 271864), (368, 237881), (391, 223888), (476, 183908), (644, 135932), (782, 111944), (952, 91954), (1288, 67966), (1564, 55972), (1904, 45977), (1999, 43792), (2576, 33983), (2737, 31984), (3128, 27986), (3998, 21896), (5474, 15992), (6256, 13993), (7996, 10948)]