209443970

素因数分解:

$2^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{487079}}^1$

素因数の和:487129

約数の個数: 16

約数和(自身を含む): 385767360

約数和(自身を除く): 176323390

約数列:

[1, 2, 5, 10, 43, 86, 215, 430, 487079, 974158, 2435395, 4870790, 20944397, 41888794, 104721985, 209443970]

約数ペア:

[(1, 209443970), (2, 104721985), (5, 41888794), (10, 20944397), (43, 4870790), (86, 2435395), (215, 974158), (430, 487079)]