153445480

素因数分解:

$2^3\times 5^1\times {\mathrm{137}}^1\times {\mathrm{28001}}^1$

素因数の和:28149

約数の個数: 32

約数和(自身を含む): 347784840

約数和(自身を除く): 194339360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 137, 274, 548, 685, 1096, 1370, 2740, 5480, 28001, 56002, 112004, 140005, 224008, 280010, 560020, 1120040, 3836137, 7672274, 15344548, 19180685, 30689096, 38361370, 76722740, 153445480]

約数ペア:

[(1, 153445480), (2, 76722740), (4, 38361370), (5, 30689096), (8, 19180685), (10, 15344548), (20, 7672274), (40, 3836137), (137, 1120040), (274, 560020), (548, 280010), (685, 224008), (1096, 140005), (1370, 112004), (2740, 56002), (5480, 28001)]