9723140

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{199}}^1\times {\mathrm{349}}^1$

素因数の和:564

約数の個数: 48

約数和(自身を含む): 23520000

約数和(自身を除く): 13796860

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 199, 349, 398, 698, 796, 995, 1393, 1396, 1745, 1990, 2443, 2786, 3490, 3980, 4886, 5572, 6965, 6980, 9772, 12215, 13930, 24430, 27860, 48860, 69451, 138902, 277804, 347255, 486157, 694510, 972314, 1389020, 1944628, 2430785, 4861570, 9723140]

約数ペア:

[(1, 9723140), (2, 4861570), (4, 2430785), (5, 1944628), (7, 1389020), (10, 972314), (14, 694510), (20, 486157), (28, 347255), (35, 277804), (70, 138902), (140, 69451), (199, 48860), (349, 27860), (398, 24430), (698, 13930), (796, 12215), (995, 9772), (1393, 6980), (1396, 6965), (1745, 5572), (1990, 4886), (2443, 3980), (2786, 3490)]