280041310

素因数分解:

$2^1\times 5^1\times {\mathrm{211}}^1\times {\mathrm{132721}}^1$

素因数の和:132939

約数の個数: 16

約数和(自身を含む): 506467152

約数和(自身を除く): 226425842

約数列:

[1, 2, 5, 10, 211, 422, 1055, 2110, 132721, 265442, 663605, 1327210, 28004131, 56008262, 140020655, 280041310]

約数ペア:

[(1, 280041310), (2, 140020655), (5, 56008262), (10, 28004131), (211, 1327210), (422, 663605), (1055, 265442), (2110, 132721)]