84740180

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{499}}^1\times {\mathrm{1213}}^1$

素因数の和:1728

約数の個数: 48

約数和(自身を含む): 203952000

約数和(自身を除く): 119211820

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 499, 998, 1213, 1996, 2426, 2495, 3493, 4852, 4990, 6065, 6986, 8491, 9980, 12130, 13972, 16982, 17465, 24260, 33964, 34930, 42455, 69860, 84910, 169820, 605287, 1210574, 2421148, 3026435, 4237009, 6052870, 8474018, 12105740, 16948036, 21185045, 42370090, 84740180]

約数ペア:

[(1, 84740180), (2, 42370090), (4, 21185045), (5, 16948036), (7, 12105740), (10, 8474018), (14, 6052870), (20, 4237009), (28, 3026435), (35, 2421148), (70, 1210574), (140, 605287), (499, 169820), (998, 84910), (1213, 69860), (1996, 42455), (2426, 34930), (2495, 33964), (3493, 24260), (4852, 17465), (4990, 16982), (6065, 13972), (6986, 12130), (8491, 9980)]