217270460

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{987593}}^1$

素因数の和:987613

約数の個数: 24

約数和(自身を含む): 497747376

約数和(自身を除く): 280476916

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 987593, 1975186, 3950372, 4937965, 9875930, 10863523, 19751860, 21727046, 43454092, 54317615, 108635230, 217270460]

約数ペア:

[(1, 217270460), (2, 108635230), (4, 54317615), (5, 43454092), (10, 21727046), (11, 19751860), (20, 10863523), (22, 9875930), (44, 4937965), (55, 3950372), (110, 1975186), (220, 987593)]