68431540

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{101}}^1\times {\mathrm{1783}}^1$

素因数の和:1912

約数の個数: 48

約数和(自身を含む): 152853120

約数和(自身を除く): 84421580

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 101, 190, 202, 380, 404, 505, 1010, 1783, 1919, 2020, 3566, 3838, 7132, 7676, 8915, 9595, 17830, 19190, 33877, 35660, 38380, 67754, 135508, 169385, 180083, 338770, 360166, 677540, 720332, 900415, 1800830, 3421577, 3601660, 6843154, 13686308, 17107885, 34215770, 68431540]

約数ペア:

[(1, 68431540), (2, 34215770), (4, 17107885), (5, 13686308), (10, 6843154), (19, 3601660), (20, 3421577), (38, 1800830), (76, 900415), (95, 720332), (101, 677540), (190, 360166), (202, 338770), (380, 180083), (404, 169385), (505, 135508), (1010, 67754), (1783, 38380), (1919, 35660), (2020, 33877), (3566, 19190), (3838, 17830), (7132, 9595), (7676, 8915)]