129257480

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{293767}}^1$

素因数の和:293789

約数の個数: 32

約数和(自身を含む): 317269440

約数和(自身を除く): 188011960

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 293767, 587534, 1175068, 1468835, 2350136, 2937670, 3231437, 5875340, 6462874, 11750680, 12925748, 16157185, 25851496, 32314370, 64628740, 129257480]

約数ペア:

[(1, 129257480), (2, 64628740), (4, 32314370), (5, 25851496), (8, 16157185), (10, 12925748), (11, 11750680), (20, 6462874), (22, 5875340), (40, 3231437), (44, 2937670), (55, 2350136), (88, 1468835), (110, 1175068), (220, 587534), (440, 293767)]