256992190

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{282409}}^1$

素因数の和:282436

約数の個数: 32

約数和(自身を含む): 569338560

約数和(自身を除く): 312346370

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 35, 65, 70, 91, 130, 182, 455, 910, 282409, 564818, 1412045, 1976863, 2824090, 3671317, 3953726, 7342634, 9884315, 18356585, 19768630, 25699219, 36713170, 51398438, 128496095, 256992190]

約数ペア:

[(1, 256992190), (2, 128496095), (5, 51398438), (7, 36713170), (10, 25699219), (13, 19768630), (14, 18356585), (26, 9884315), (35, 7342634), (65, 3953726), (70, 3671317), (91, 2824090), (130, 1976863), (182, 1412045), (455, 564818), (910, 282409)]