612920

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{199}}^1$

素因数の和:228

約数の個数: 64

約数和(自身を含む): 1728000

約数和(自身を除く): 1115080

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 20, 22, 28, 35, 40, 44, 55, 56, 70, 77, 88, 110, 140, 154, 199, 220, 280, 308, 385, 398, 440, 616, 770, 796, 995, 1393, 1540, 1592, 1990, 2189, 2786, 3080, 3980, 4378, 5572, 6965, 7960, 8756, 10945, 11144, 13930, 15323, 17512, 21890, 27860, 30646, 43780, 55720, 61292, 76615, 87560, 122584, 153230, 306460, 612920]

約数ペア:

[(1, 612920), (2, 306460), (4, 153230), (5, 122584), (7, 87560), (8, 76615), (10, 61292), (11, 55720), (14, 43780), (20, 30646), (22, 27860), (28, 21890), (35, 17512), (40, 15323), (44, 13930), (55, 11144), (56, 10945), (70, 8756), (77, 7960), (88, 6965), (110, 5572), (140, 4378), (154, 3980), (199, 3080), (220, 2786), (280, 2189), (308, 1990), (385, 1592), (398, 1540), (440, 1393), (616, 995), (770, 796)]