220196590

素因数分解:

$2^1\times 5^1\times {\mathrm{131}}^1\times {\mathrm{168089}}^1$

素因数の和:168227

約数の個数: 16

約数和(自身を含む): 399381840

約数和(自身を除く): 179185250

約数列:

[1, 2, 5, 10, 131, 262, 655, 1310, 168089, 336178, 840445, 1680890, 22019659, 44039318, 110098295, 220196590]

約数ペア:

[(1, 220196590), (2, 110098295), (5, 44039318), (10, 22019659), (131, 1680890), (262, 840445), (655, 336178), (1310, 168089)]