28016660

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{293}}^1\times {\mathrm{683}}^1$

素因数の和:992

約数の個数: 48

約数和(自身を含む): 67568256

約数和(自身を除く): 39551596

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 293, 586, 683, 1172, 1366, 1465, 2051, 2732, 2930, 3415, 4102, 4781, 5860, 6830, 8204, 9562, 10255, 13660, 19124, 20510, 23905, 41020, 47810, 95620, 200119, 400238, 800476, 1000595, 1400833, 2001190, 2801666, 4002380, 5603332, 7004165, 14008330, 28016660]

約数ペア:

[(1, 28016660), (2, 14008330), (4, 7004165), (5, 5603332), (7, 4002380), (10, 2801666), (14, 2001190), (20, 1400833), (28, 1000595), (35, 800476), (70, 400238), (140, 200119), (293, 95620), (586, 47810), (683, 41020), (1172, 23905), (1366, 20510), (1465, 19124), (2051, 13660), (2732, 10255), (2930, 9562), (3415, 8204), (4102, 6830), (4781, 5860)]