81523870

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{277}}^1\times {\mathrm{1549}}^1$

素因数の和:1852

約数の個数: 32

約数和(自身を含む): 155124000

約数和(自身を除く): 73600130

約数列:

[1, 2, 5, 10, 19, 38, 95, 190, 277, 554, 1385, 1549, 2770, 3098, 5263, 7745, 10526, 15490, 26315, 29431, 52630, 58862, 147155, 294310, 429073, 858146, 2145365, 4290730, 8152387, 16304774, 40761935, 81523870]

約数ペア:

[(1, 81523870), (2, 40761935), (5, 16304774), (10, 8152387), (19, 4290730), (38, 2145365), (95, 858146), (190, 429073), (277, 294310), (554, 147155), (1385, 58862), (1549, 52630), (2770, 29431), (3098, 26315), (5263, 15490), (7745, 10526)]