205651970

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{894139}}^1$

素因数の和:894169

約数の個数: 16

約数和(自身を含む): 386268480

約数和(自身を除く): 180616510

約数列:

[1, 2, 5, 10, 23, 46, 115, 230, 894139, 1788278, 4470695, 8941390, 20565197, 41130394, 102825985, 205651970]

約数ペア:

[(1, 205651970), (2, 102825985), (5, 41130394), (10, 20565197), (23, 8941390), (46, 4470695), (115, 1788278), (230, 894139)]