199901210

素因数分解:

$2^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{281551}}^1$

素因数の和:281629

約数の個数: 16

約数和(自身を含む): 364891392

約数和(自身を除く): 164990182

約数列:

[1, 2, 5, 10, 71, 142, 355, 710, 281551, 563102, 1407755, 2815510, 19990121, 39980242, 99950605, 199901210]

約数ペア:

[(1, 199901210), (2, 99950605), (5, 39980242), (10, 19990121), (71, 2815510), (142, 1407755), (355, 563102), (710, 281551)]