103428260

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{199}}^1\times {\mathrm{1999}}^1$

素因数の和:2220

約数の個数: 48

約数和(自身を含む): 235200000

約数和(自身を除く): 131771740

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 199, 260, 398, 796, 995, 1990, 1999, 2587, 3980, 3998, 5174, 7996, 9995, 10348, 12935, 19990, 25870, 25987, 39980, 51740, 51974, 103948, 129935, 259870, 397801, 519740, 795602, 1591204, 1989005, 3978010, 5171413, 7956020, 10342826, 20685652, 25857065, 51714130, 103428260]

約数ペア:

[(1, 103428260), (2, 51714130), (4, 25857065), (5, 20685652), (10, 10342826), (13, 7956020), (20, 5171413), (26, 3978010), (52, 1989005), (65, 1591204), (130, 795602), (199, 519740), (260, 397801), (398, 259870), (796, 129935), (995, 103948), (1990, 51974), (1999, 51740), (2587, 39980), (3980, 25987), (3998, 25870), (5174, 19990), (7996, 12935), (9995, 10348)]