17720360

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{9041}}^1$

素因数の和:9066

約数の個数: 48

約数和(自身を含む): 46385460

約数和(自身を除く): 28665100

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 245, 280, 392, 490, 980, 1960, 9041, 18082, 36164, 45205, 63287, 72328, 90410, 126574, 180820, 253148, 316435, 361640, 443009, 506296, 632870, 886018, 1265740, 1772036, 2215045, 2531480, 3544072, 4430090, 8860180, 17720360]

約数ペア:

[(1, 17720360), (2, 8860180), (4, 4430090), (5, 3544072), (7, 2531480), (8, 2215045), (10, 1772036), (14, 1265740), (20, 886018), (28, 632870), (35, 506296), (40, 443009), (49, 361640), (56, 316435), (70, 253148), (98, 180820), (140, 126574), (196, 90410), (245, 72328), (280, 63287), (392, 45205), (490, 36164), (980, 18082), (1960, 9041)]