137812840

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{313211}}^1$

素因数の和:313233

約数の個数: 32

約数和(自身を含む): 338268960

約数和(自身を除く): 200456120

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 313211, 626422, 1252844, 1566055, 2505688, 3132110, 3445321, 6264220, 6890642, 12528440, 13781284, 17226605, 27562568, 34453210, 68906420, 137812840]

約数ペア:

[(1, 137812840), (2, 68906420), (4, 34453210), (5, 27562568), (8, 17226605), (10, 13781284), (11, 12528440), (20, 6890642), (22, 6264220), (40, 3445321), (44, 3132110), (55, 2505688), (88, 1566055), (110, 1252844), (220, 626422), (440, 313211)]