9775880

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^2\times {\mathrm{677}}^1$

素因数の和:726

約数の個数: 48

約数和(自身を含む): 23248620

約数和(自身を除く): 13472740

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 361, 380, 677, 722, 760, 1354, 1444, 1805, 2708, 2888, 3385, 3610, 5416, 6770, 7220, 12863, 13540, 14440, 25726, 27080, 51452, 64315, 102904, 128630, 244397, 257260, 488794, 514520, 977588, 1221985, 1955176, 2443970, 4887940, 9775880]

約数ペア:

[(1, 9775880), (2, 4887940), (4, 2443970), (5, 1955176), (8, 1221985), (10, 977588), (19, 514520), (20, 488794), (38, 257260), (40, 244397), (76, 128630), (95, 102904), (152, 64315), (190, 51452), (361, 27080), (380, 25726), (677, 14440), (722, 13540), (760, 12863), (1354, 7220), (1444, 6770), (1805, 5416), (2708, 3610), (2888, 3385)]