13890200

素因数分解:

$2^3\times 5^2\times {\mathrm{199}}^1\times {\mathrm{349}}^1$

素因数の和:564

約数の個数: 48

約数和(自身を含む): 32550000

約数和(自身を除く): 18659800

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 199, 200, 349, 398, 698, 796, 995, 1396, 1592, 1745, 1990, 2792, 3490, 3980, 4975, 6980, 7960, 8725, 9950, 13960, 17450, 19900, 34900, 39800, 69451, 69800, 138902, 277804, 347255, 555608, 694510, 1389020, 1736275, 2778040, 3472550, 6945100, 13890200]

約数ペア:

[(1, 13890200), (2, 6945100), (4, 3472550), (5, 2778040), (8, 1736275), (10, 1389020), (20, 694510), (25, 555608), (40, 347255), (50, 277804), (100, 138902), (199, 69800), (200, 69451), (349, 39800), (398, 34900), (698, 19900), (796, 17450), (995, 13960), (1396, 9950), (1592, 8725), (1745, 7960), (1990, 6980), (2792, 4975), (3490, 3980)]