219364420

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{997111}}^1$

素因数の和:997131

約数の個数: 24

約数和(自身を含む): 502544448

約数和(自身を除く): 283180028

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 997111, 1994222, 3988444, 4985555, 9971110, 10968221, 19942220, 21936442, 43872884, 54841105, 109682210, 219364420]

約数ペア:

[(1, 219364420), (2, 109682210), (4, 54841105), (5, 43872884), (10, 21936442), (11, 19942220), (20, 10968221), (22, 9971110), (44, 4985555), (55, 3988444), (110, 1994222), (220, 997111)]