68308420

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^2\times {\mathrm{9461}}^1$

素因数の和:9508

約数の個数: 36

約数和(自身を含む): 151410924

約数和(自身を除く): 83102504

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 361, 380, 722, 1444, 1805, 3610, 7220, 9461, 18922, 37844, 47305, 94610, 179759, 189220, 359518, 719036, 898795, 1797590, 3415421, 3595180, 6830842, 13661684, 17077105, 34154210, 68308420]

約数ペア:

[(1, 68308420), (2, 34154210), (4, 17077105), (5, 13661684), (10, 6830842), (19, 3595180), (20, 3415421), (38, 1797590), (76, 898795), (95, 719036), (190, 359518), (361, 189220), (380, 179759), (722, 94610), (1444, 47305), (1805, 37844), (3610, 18922), (7220, 9461)]