51393740

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{199}}^1\times {\mathrm{349}}^1$

素因数の和:594

約数の個数: 48

約数和(自身を含む): 111720000

約数和(自身を除く): 60326260

約数列:

[1, 2, 4, 5, 10, 20, 37, 74, 148, 185, 199, 349, 370, 398, 698, 740, 796, 995, 1396, 1745, 1990, 3490, 3980, 6980, 7363, 12913, 14726, 25826, 29452, 36815, 51652, 64565, 69451, 73630, 129130, 138902, 147260, 258260, 277804, 347255, 694510, 1389020, 2569687, 5139374, 10278748, 12848435, 25696870, 51393740]

約数ペア:

[(1, 51393740), (2, 25696870), (4, 12848435), (5, 10278748), (10, 5139374), (20, 2569687), (37, 1389020), (74, 694510), (148, 347255), (185, 277804), (199, 258260), (349, 147260), (370, 138902), (398, 129130), (698, 73630), (740, 69451), (796, 64565), (995, 51652), (1396, 36815), (1745, 29452), (1990, 25826), (3490, 14726), (3980, 12913), (6980, 7363)]