78218860

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{97}}^1\times {\mathrm{1753}}^1$

素因数の和:1882

約数の個数: 48

約数和(自身を含む): 173267136

約数和(自身を除く): 95048276

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 97, 115, 194, 230, 388, 460, 485, 970, 1753, 1940, 2231, 3506, 4462, 7012, 8765, 8924, 11155, 17530, 22310, 35060, 40319, 44620, 80638, 161276, 170041, 201595, 340082, 403190, 680164, 806380, 850205, 1700410, 3400820, 3910943, 7821886, 15643772, 19554715, 39109430, 78218860]

約数ペア:

[(1, 78218860), (2, 39109430), (4, 19554715), (5, 15643772), (10, 7821886), (20, 3910943), (23, 3400820), (46, 1700410), (92, 850205), (97, 806380), (115, 680164), (194, 403190), (230, 340082), (388, 201595), (460, 170041), (485, 161276), (970, 80638), (1753, 44620), (1940, 40319), (2231, 35060), (3506, 22310), (4462, 17530), (7012, 11155), (8765, 8924)]