328148940

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{781307}}^1$

素因数の和:781326

約数の個数: 48

約数和(自身を含む): 1050077952

約数和(自身を除く): 721929012

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 781307, 1562614, 2343921, 3125228, 3906535, 4687842, 5469149, 7813070, 9375684, 10938298, 11719605, 15626140, 16407447, 21876596, 23439210, 27345745, 32814894, 46878420, 54691490, 65629788, 82037235, 109382980, 164074470, 328148940]

約数ペア:

[(1, 328148940), (2, 164074470), (3, 109382980), (4, 82037235), (5, 65629788), (6, 54691490), (7, 46878420), (10, 32814894), (12, 27345745), (14, 23439210), (15, 21876596), (20, 16407447), (21, 15626140), (28, 11719605), (30, 10938298), (35, 9375684), (42, 7813070), (60, 5469149), (70, 4687842), (84, 3906535), (105, 3125228), (140, 2343921), (210, 1562614), (420, 781307)]