291220060

素因数分解:

$2^2\times 5^1\times {\mathrm{14561003}}^1$

素因数の和:14561012

約数の個数: 12

約数和(自身を含む): 611562168

約数和(自身を除く): 320342108

約数列:

[1, 2, 4, 5, 10, 20, 14561003, 29122006, 58244012, 72805015, 145610030, 291220060]

約数ペア:

[(1, 291220060), (2, 145610030), (4, 72805015), (5, 58244012), (10, 29122006), (20, 14561003)]