219807230

素因数分解:

$2^1\times 5^1\times {\mathrm{79}}^1\times {\mathrm{278237}}^1$

素因数の和:278323

約数の個数: 16

約数和(自身を含む): 400662720

約数和(自身を除く): 180855490

約数列:

[1, 2, 5, 10, 79, 158, 395, 790, 278237, 556474, 1391185, 2782370, 21980723, 43961446, 109903615, 219807230]

約数ペア:

[(1, 219807230), (2, 109903615), (5, 43961446), (10, 21980723), (79, 2782370), (158, 1391185), (395, 556474), (790, 278237)]