219770210

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{1997911}}^1$

素因数の和:1997929

約数の個数: 16

約数和(自身を含む): 431548992

約数和(自身を除く): 211778782

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 1997911, 3995822, 9989555, 19979110, 21977021, 43954042, 109885105, 219770210]

約数ペア:

[(1, 219770210), (2, 109885105), (5, 43954042), (10, 21977021), (11, 19979110), (22, 9989555), (55, 3995822), (110, 1997911)]