2149207960

素因数分解:

$2^3\times 5^1\times {\mathrm{199}}^1\times {\mathrm{270001}}^1$

素因数の和:270211

約数の個数: 32

約数和(自身を含む): 4860036000

約数和(自身を除く): 2710828040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 199, 398, 796, 995, 1592, 1990, 3980, 7960, 270001, 540002, 1080004, 1350005, 2160008, 2700010, 5400020, 10800040, 53730199, 107460398, 214920796, 268650995, 429841592, 537301990, 1074603980, 2149207960]

約数ペア:

[(1, 2149207960), (2, 1074603980), (4, 537301990), (5, 429841592), (8, 268650995), (10, 214920796), (20, 107460398), (40, 53730199), (199, 10800040), (398, 5400020), (796, 2700010), (995, 2160008), (1592, 1350005), (1990, 1080004), (3980, 540002), (7960, 270001)]