77937070

素因数分解:

$2^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{211}}^1\times {\mathrm{859}}^1$

素因数の和:1120

約数の個数: 32

約数和(自身を含む): 144397440

約数和(自身を除く): 66460370

約数列:

[1, 2, 5, 10, 43, 86, 211, 215, 422, 430, 859, 1055, 1718, 2110, 4295, 8590, 9073, 18146, 36937, 45365, 73874, 90730, 181249, 184685, 362498, 369370, 906245, 1812490, 7793707, 15587414, 38968535, 77937070]

約数ペア:

[(1, 77937070), (2, 38968535), (5, 15587414), (10, 7793707), (43, 1812490), (86, 906245), (211, 369370), (215, 362498), (422, 184685), (430, 181249), (859, 90730), (1055, 73874), (1718, 45365), (2110, 36937), (4295, 18146), (8590, 9073)]