519440

素因数分解:

$2^4\times 5^1\times {\mathrm{43}}^1\times {\mathrm{151}}^1$

素因数の和:207

約数の個数: 40

約数和(自身を含む): 1243968

約数和(自身を除く): 724528

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 43, 80, 86, 151, 172, 215, 302, 344, 430, 604, 688, 755, 860, 1208, 1510, 1720, 2416, 3020, 3440, 6040, 6493, 12080, 12986, 25972, 32465, 51944, 64930, 103888, 129860, 259720, 519440]

約数ペア:

[(1, 519440), (2, 259720), (4, 129860), (5, 103888), (8, 64930), (10, 51944), (16, 32465), (20, 25972), (40, 12986), (43, 12080), (80, 6493), (86, 6040), (151, 3440), (172, 3020), (215, 2416), (302, 1720), (344, 1510), (430, 1208), (604, 860), (688, 755)]