2808580

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^2\times {\mathrm{389}}^1$

素因数の和:436

約数の個数: 36

約数和(自身を含む): 6240780

約数和(自身を除く): 3432200

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 361, 380, 389, 722, 778, 1444, 1556, 1805, 1945, 3610, 3890, 7220, 7391, 7780, 14782, 29564, 36955, 73910, 140429, 147820, 280858, 561716, 702145, 1404290, 2808580]

約数ペア:

[(1, 2808580), (2, 1404290), (4, 702145), (5, 561716), (10, 280858), (19, 147820), (20, 140429), (38, 73910), (76, 36955), (95, 29564), (190, 14782), (361, 7780), (380, 7391), (389, 7220), (722, 3890), (778, 3610), (1444, 1945), (1556, 1805)]