170718910

素因数分解:

$2^1\times 5^1\times {\mathrm{89}}^1\times {\mathrm{433}}^1\times {\mathrm{443}}^1$

素因数の和:972

約数の個数: 32

約数和(自身を含む): 312167520

約数和(自身を除く): 141448610

約数列:

[1, 2, 5, 10, 89, 178, 433, 443, 445, 866, 886, 890, 2165, 2215, 4330, 4430, 38537, 39427, 77074, 78854, 191819, 192685, 197135, 383638, 385370, 394270, 959095, 1918190, 17071891, 34143782, 85359455, 170718910]

約数ペア:

[(1, 170718910), (2, 85359455), (5, 34143782), (10, 17071891), (89, 1918190), (178, 959095), (433, 394270), (443, 385370), (445, 383638), (866, 197135), (886, 192685), (890, 191819), (2165, 78854), (2215, 77074), (4330, 39427), (4430, 38537)]