142394450

素因数分解:

$2^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{199}}^1\times {\mathrm{1301}}^1$

素因数の和:1523

約数の個数: 48

約数和(自身を含む): 290606400

約数和(自身を除く): 148211950

約数列:

[1, 2, 5, 10, 11, 22, 25, 50, 55, 110, 199, 275, 398, 550, 995, 1301, 1990, 2189, 2602, 4378, 4975, 6505, 9950, 10945, 13010, 14311, 21890, 28622, 32525, 54725, 65050, 71555, 109450, 143110, 258899, 357775, 517798, 715550, 1294495, 2588990, 2847889, 5695778, 6472475, 12944950, 14239445, 28478890, 71197225, 142394450]

約数ペア:

[(1, 142394450), (2, 71197225), (5, 28478890), (10, 14239445), (11, 12944950), (22, 6472475), (25, 5695778), (50, 2847889), (55, 2588990), (110, 1294495), (199, 715550), (275, 517798), (398, 357775), (550, 258899), (995, 143110), (1301, 109450), (1990, 71555), (2189, 65050), (2602, 54725), (4378, 32525), (4975, 28622), (6505, 21890), (9950, 14311), (10945, 13010)]