142710860

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{199}}^1\times {\mathrm{1559}}^1$

素因数の和:1790

約数の個数: 48

約数和(自身を含む): 314496000

約数和(自身を除く): 171785140

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 199, 230, 398, 460, 796, 995, 1559, 1990, 3118, 3980, 4577, 6236, 7795, 9154, 15590, 18308, 22885, 31180, 35857, 45770, 71714, 91540, 143428, 179285, 310241, 358570, 620482, 717140, 1240964, 1551205, 3102410, 6204820, 7135543, 14271086, 28542172, 35677715, 71355430, 142710860]

約数ペア:

[(1, 142710860), (2, 71355430), (4, 35677715), (5, 28542172), (10, 14271086), (20, 7135543), (23, 6204820), (46, 3102410), (92, 1551205), (115, 1240964), (199, 717140), (230, 620482), (398, 358570), (460, 310241), (796, 179285), (995, 143428), (1559, 91540), (1990, 71714), (3118, 45770), (3980, 35857), (4577, 31180), (6236, 22885), (7795, 18308), (9154, 15590)]