207899890

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{1889999}}^1$

素因数の和:1890017

約数の個数: 16

約数和(自身を含む): 408240000

約数和(自身を除く): 200340110

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 1889999, 3779998, 9449995, 18899990, 20789989, 41579978, 103949945, 207899890]

約数ペア:

[(1, 207899890), (2, 103949945), (5, 41579978), (10, 20789989), (11, 18899990), (22, 9449995), (55, 3779998), (110, 1889999)]