256500304

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{197}}^1\times {\mathrm{4283}}^1$

素因数の和:4507

約数の個数: 40

約数和(自身を含む): 525903840

約数和(自身を除く): 269403536

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 197, 304, 394, 788, 1576, 3152, 3743, 4283, 7486, 8566, 14972, 17132, 29944, 34264, 59888, 68528, 81377, 162754, 325508, 651016, 843751, 1302032, 1687502, 3375004, 6750008, 13500016, 16031269, 32062538, 64125076, 128250152, 256500304]

約数ペア:

[(1, 256500304), (2, 128250152), (4, 64125076), (8, 32062538), (16, 16031269), (19, 13500016), (38, 6750008), (76, 3375004), (152, 1687502), (197, 1302032), (304, 843751), (394, 651016), (788, 325508), (1576, 162754), (3152, 81377), (3743, 68528), (4283, 59888), (7486, 34264), (8566, 29944), (14972, 17132)]