405023870

素因数分解:

$2^1\times 5^1\times {\mathrm{89}}^1\times {\mathrm{433}}^1\times {\mathrm{1051}}^1$

素因数の和:1580

約数の個数: 32

約数和(自身を含む): 739640160

約数和(自身を除く): 334616290

約数列:

[1, 2, 5, 10, 89, 178, 433, 445, 866, 890, 1051, 2102, 2165, 4330, 5255, 10510, 38537, 77074, 93539, 187078, 192685, 385370, 455083, 467695, 910166, 935390, 2275415, 4550830, 40502387, 81004774, 202511935, 405023870]

約数ペア:

[(1, 405023870), (2, 202511935), (5, 81004774), (10, 40502387), (89, 4550830), (178, 2275415), (433, 935390), (445, 910166), (866, 467695), (890, 455083), (1051, 385370), (2102, 192685), (2165, 187078), (4330, 93539), (5255, 77074), (10510, 38537)]