289206080

素因数分解:

$2^6\times 5^1\times {\mathrm{131}}^1\times {\mathrm{6899}}^1$

素因数の和:7047

約数の個数: 56

約数和(自身を含む): 694029600

約数和(自身を除く): 404823520

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 131, 160, 262, 320, 524, 655, 1048, 1310, 2096, 2620, 4192, 5240, 6899, 8384, 10480, 13798, 20960, 27596, 34495, 41920, 55192, 68990, 110384, 137980, 220768, 275960, 441536, 551920, 903769, 1103840, 1807538, 2207680, 3615076, 4518845, 7230152, 9037690, 14460304, 18075380, 28920608, 36150760, 57841216, 72301520, 144603040, 289206080]

約数ペア:

[(1, 289206080), (2, 144603040), (4, 72301520), (5, 57841216), (8, 36150760), (10, 28920608), (16, 18075380), (20, 14460304), (32, 9037690), (40, 7230152), (64, 4518845), (80, 3615076), (131, 2207680), (160, 1807538), (262, 1103840), (320, 903769), (524, 551920), (655, 441536), (1048, 275960), (1310, 220768), (2096, 137980), (2620, 110384), (4192, 68990), (5240, 55192), (6899, 41920), (8384, 34495), (10480, 27596), (13798, 20960)]