256217470

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{58631}}^1$

素因数の和:58680

約数の個数: 32

約数和(自身を含む): 506580480

約数和(自身を除く): 250363010

約数列:

[1, 2, 5, 10, 19, 23, 38, 46, 95, 115, 190, 230, 437, 874, 2185, 4370, 58631, 117262, 293155, 586310, 1113989, 1348513, 2227978, 2697026, 5569945, 6742565, 11139890, 13485130, 25621747, 51243494, 128108735, 256217470]

約数ペア:

[(1, 256217470), (2, 128108735), (5, 51243494), (10, 25621747), (19, 13485130), (23, 11139890), (38, 6742565), (46, 5569945), (95, 2697026), (115, 2227978), (190, 1348513), (230, 1113989), (437, 586310), (874, 293155), (2185, 117262), (4370, 58631)]