128049350

素因数分解:

$2^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17909}}^1$

素因数の和:17945

約数の個数: 48

約数和(自身を含む): 279825840

約数和(自身を除く): 151776490

約数列:

[1, 2, 5, 10, 11, 13, 22, 25, 26, 50, 55, 65, 110, 130, 143, 275, 286, 325, 550, 650, 715, 1430, 3575, 7150, 17909, 35818, 89545, 179090, 196999, 232817, 393998, 447725, 465634, 895450, 984995, 1164085, 1969990, 2328170, 2560987, 4924975, 5121974, 5820425, 9849950, 11640850, 12804935, 25609870, 64024675, 128049350]

約数ペア:

[(1, 128049350), (2, 64024675), (5, 25609870), (10, 12804935), (11, 11640850), (13, 9849950), (22, 5820425), (25, 5121974), (26, 4924975), (50, 2560987), (55, 2328170), (65, 1969990), (110, 1164085), (130, 984995), (143, 895450), (275, 465634), (286, 447725), (325, 393998), (550, 232817), (650, 196999), (715, 179090), (1430, 89545), (3575, 35818), (7150, 17909)]