289132360

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{509}}^1\times {\mathrm{1291}}^1$

素因数の和:1822

約数の個数: 64

約数和(自身を含む): 711633600

約数和(自身を除く): 422501240

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 509, 1018, 1291, 2036, 2545, 2582, 4072, 5090, 5164, 5599, 6455, 10180, 10328, 11198, 12910, 14201, 20360, 22396, 25820, 27995, 28402, 44792, 51640, 55990, 56804, 71005, 111980, 113608, 142010, 223960, 284020, 568040, 657119, 1314238, 2628476, 3285595, 5256952, 6571190, 7228309, 13142380, 14456618, 26284760, 28913236, 36141545, 57826472, 72283090, 144566180, 289132360]

約数ペア:

[(1, 289132360), (2, 144566180), (4, 72283090), (5, 57826472), (8, 36141545), (10, 28913236), (11, 26284760), (20, 14456618), (22, 13142380), (40, 7228309), (44, 6571190), (55, 5256952), (88, 3285595), (110, 2628476), (220, 1314238), (440, 657119), (509, 568040), (1018, 284020), (1291, 223960), (2036, 142010), (2545, 113608), (2582, 111980), (4072, 71005), (5090, 56804), (5164, 55990), (5599, 51640), (6455, 44792), (10180, 28402), (10328, 27995), (11198, 25820), (12910, 22396), (14201, 20360)]