290170945

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{223}}^1\times {\mathrm{13697}}^1$

素因数の和:13944

約数の個数: 16

約数和(自身を含む): 368202240

約数和(自身を除く): 78031295

約数列:

[1, 5, 19, 95, 223, 1115, 4237, 13697, 21185, 68485, 260243, 1301215, 3054431, 15272155, 58034189, 290170945]

約数ペア:

[(1, 290170945), (5, 58034189), (19, 15272155), (95, 3054431), (223, 1301215), (1115, 260243), (4237, 68485), (13697, 21185)]