17328920

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{199}}^1\times {\mathrm{311}}^1$

素因数の和:528

約数の個数: 64

約数和(自身を含む): 44928000

約数和(自身を除く): 27599080

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 199, 280, 311, 398, 622, 796, 995, 1244, 1393, 1555, 1592, 1990, 2177, 2488, 2786, 3110, 3980, 4354, 5572, 6220, 6965, 7960, 8708, 10885, 11144, 12440, 13930, 17416, 21770, 27860, 43540, 55720, 61889, 87080, 123778, 247556, 309445, 433223, 495112, 618890, 866446, 1237780, 1732892, 2166115, 2475560, 3465784, 4332230, 8664460, 17328920]

約数ペア:

[(1, 17328920), (2, 8664460), (4, 4332230), (5, 3465784), (7, 2475560), (8, 2166115), (10, 1732892), (14, 1237780), (20, 866446), (28, 618890), (35, 495112), (40, 433223), (56, 309445), (70, 247556), (140, 123778), (199, 87080), (280, 61889), (311, 55720), (398, 43540), (622, 27860), (796, 21770), (995, 17416), (1244, 13930), (1393, 12440), (1555, 11144), (1592, 10885), (1990, 8708), (2177, 7960), (2488, 6965), (2786, 6220), (3110, 5572), (3980, 4354)]