111440

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{199}}^1$

素因数の和:219

約数の個数: 40

約数和(自身を含む): 297600

約数和(自身を除く): 186160

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 199, 280, 398, 560, 796, 995, 1393, 1592, 1990, 2786, 3184, 3980, 5572, 6965, 7960, 11144, 13930, 15920, 22288, 27860, 55720, 111440]

約数ペア:

[(1, 111440), (2, 55720), (4, 27860), (5, 22288), (7, 15920), (8, 13930), (10, 11144), (14, 7960), (16, 6965), (20, 5572), (28, 3980), (35, 3184), (40, 2786), (56, 1990), (70, 1592), (80, 1393), (112, 995), (140, 796), (199, 560), (280, 398)]