8860180

素因数分解:

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

素因数の和:9064

約数の個数: 36

約数和(自身を含む): 21646548

約数和(自身を除く): 12786368

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 9041, 18082, 36164, 45205, 63287, 90410, 126574, 180820, 253148, 316435, 443009, 632870, 886018, 1265740, 1772036, 2215045, 4430090, 8860180]

約数ペア:

[(1, 8860180), (2, 4430090), (4, 2215045), (5, 1772036), (7, 1265740), (10, 886018), (14, 632870), (20, 443009), (28, 316435), (35, 253148), (49, 180820), (70, 126574), (98, 90410), (140, 63287), (196, 45205), (245, 36164), (490, 18082), (980, 9041)]