128429450

素因数分解:

$2^1\times 5^2\times {\mathrm{439}}^1\times {\mathrm{5851}}^1$

素因数の和:6302

約数の個数: 24

約数和(自身を含む): 239463840

約数和(自身を除く): 111034390

約数列:

[1, 2, 5, 10, 25, 50, 439, 878, 2195, 4390, 5851, 10975, 11702, 21950, 29255, 58510, 146275, 292550, 2568589, 5137178, 12842945, 25685890, 64214725, 128429450]

約数ペア:

[(1, 128429450), (2, 64214725), (5, 25685890), (10, 12842945), (25, 5137178), (50, 2568589), (439, 292550), (878, 146275), (2195, 58510), (4390, 29255), (5851, 21950), (10975, 11702)]