214257560

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{486949}}^1$

素因数の和:486971

約数の個数: 32

約数和(自身を含む): 525906000

約数和(自身を除く): 311648440

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 486949, 973898, 1947796, 2434745, 3895592, 4869490, 5356439, 9738980, 10712878, 19477960, 21425756, 26782195, 42851512, 53564390, 107128780, 214257560]

約数ペア:

[(1, 214257560), (2, 107128780), (4, 53564390), (5, 42851512), (8, 26782195), (10, 21425756), (11, 19477960), (20, 10712878), (22, 9738980), (40, 5356439), (44, 4869490), (55, 3895592), (88, 2434745), (110, 1947796), (220, 973898), (440, 486949)]