79420180

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{81041}}^1$

素因数の和:81064

約数の個数: 36

約数和(自身を含む): 194014548

約数和(自身を除く): 114594368

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 81041, 162082, 324164, 405205, 567287, 810410, 1134574, 1620820, 2269148, 2836435, 3971009, 5672870, 7942018, 11345740, 15884036, 19855045, 39710090, 79420180]

約数ペア:

[(1, 79420180), (2, 39710090), (4, 19855045), (5, 15884036), (7, 11345740), (10, 7942018), (14, 5672870), (20, 3971009), (28, 2836435), (35, 2269148), (49, 1620820), (70, 1134574), (98, 810410), (140, 567287), (196, 405205), (245, 324164), (490, 162082), (980, 81041)]