210312080

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{238991}}^1$

素因数の和:239015

約数の個数: 40

約数和(自身を含む): 533430144

約数和(自身を除く): 323118064

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 440, 880, 238991, 477982, 955964, 1194955, 1911928, 2389910, 2628901, 3823856, 4779820, 5257802, 9559640, 10515604, 13144505, 19119280, 21031208, 26289010, 42062416, 52578020, 105156040, 210312080]

約数ペア:

[(1, 210312080), (2, 105156040), (4, 52578020), (5, 42062416), (8, 26289010), (10, 21031208), (11, 19119280), (16, 13144505), (20, 10515604), (22, 9559640), (40, 5257802), (44, 4779820), (55, 3823856), (80, 2628901), (88, 2389910), (110, 1911928), (176, 1194955), (220, 955964), (440, 477982), (880, 238991)]