172894180

素因数分解:

$2^2\times 5^1\times {\mathrm{257}}^1\times {\mathrm{33637}}^1$

素因数の和:33903

約数の個数: 24

約数和(自身を含む): 364501368

約数和(自身を除く): 191607188

約数列:

[1, 2, 4, 5, 10, 20, 257, 514, 1028, 1285, 2570, 5140, 33637, 67274, 134548, 168185, 336370, 672740, 8644709, 17289418, 34578836, 43223545, 86447090, 172894180]

約数ペア:

[(1, 172894180), (2, 86447090), (4, 43223545), (5, 34578836), (10, 17289418), (20, 8644709), (257, 672740), (514, 336370), (1028, 168185), (1285, 134548), (2570, 67274), (5140, 33637)]