1268489780

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{3338131}}^1$

素因数の和:3338159

約数の個数: 24

約数和(自身を含む): 2804030880

約数和(自身を除く): 1535541100

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 3338131, 6676262, 13352524, 16690655, 33381310, 63424489, 66762620, 126848978, 253697956, 317122445, 634244890, 1268489780]

約数ペア:

[(1, 1268489780), (2, 634244890), (4, 317122445), (5, 253697956), (10, 126848978), (19, 66762620), (20, 63424489), (38, 33381310), (76, 16690655), (95, 13352524), (190, 6676262), (380, 3338131)]