287465090

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{131}}^1\times {\mathrm{19949}}^1$

素因数の和:20098

約数の個数: 32

約数和(自身を含む): 568814400

約数和(自身を除く): 281349310

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 131, 262, 655, 1310, 1441, 2882, 7205, 14410, 19949, 39898, 99745, 199490, 219439, 438878, 1097195, 2194390, 2613319, 5226638, 13066595, 26133190, 28746509, 57493018, 143732545, 287465090]

約数ペア:

[(1, 287465090), (2, 143732545), (5, 57493018), (10, 28746509), (11, 26133190), (22, 13066595), (55, 5226638), (110, 2613319), (131, 2194390), (262, 1097195), (655, 438878), (1310, 219439), (1441, 199490), (2882, 99745), (7205, 39898), (14410, 19949)]