428049655480

素因数分解:

$2^3\times 5^1\times {\mathrm{137}}^1\times {\mathrm{78111251}}^1$

素因数の和:78111399

約数の個数: 32

約数和(自身を含む): 970141749840

約数和(自身を除く): 542092094360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 137, 274, 548, 685, 1096, 1370, 2740, 5480, 78111251, 156222502, 312445004, 390556255, 624890008, 781112510, 1562225020, 3124450040, 10701241387, 21402482774, 42804965548, 53506206935, 85609931096, 107012413870, 214024827740, 428049655480]

約数ペア:

[(1, 428049655480), (2, 214024827740), (4, 107012413870), (5, 85609931096), (8, 53506206935), (10, 42804965548), (20, 21402482774), (40, 10701241387), (137, 3124450040), (274, 1562225020), (548, 781112510), (685, 624890008), (1096, 390556255), (1370, 312445004), (2740, 156222502), (5480, 78111251)]