51749500

素因数分解:

$2^2\times 5^3\times {\mathrm{11}}^1\times {\mathrm{97}}^2$

素因数の和:224

約数の個数: 72

約数和(自身を含む): 124579728

約数和(自身を除く): 72830228

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 25, 44, 50, 55, 97, 100, 110, 125, 194, 220, 250, 275, 388, 485, 500, 550, 970, 1067, 1100, 1375, 1940, 2134, 2425, 2750, 4268, 4850, 5335, 5500, 9409, 9700, 10670, 12125, 18818, 21340, 24250, 26675, 37636, 47045, 48500, 53350, 94090, 103499, 106700, 133375, 188180, 206998, 235225, 266750, 413996, 470450, 517495, 533500, 940900, 1034990, 1176125, 2069980, 2352250, 2587475, 4704500, 5174950, 10349900, 12937375, 25874750, 51749500]

約数ペア:

[(1, 51749500), (2, 25874750), (4, 12937375), (5, 10349900), (10, 5174950), (11, 4704500), (20, 2587475), (22, 2352250), (25, 2069980), (44, 1176125), (50, 1034990), (55, 940900), (97, 533500), (100, 517495), (110, 470450), (125, 413996), (194, 266750), (220, 235225), (250, 206998), (275, 188180), (388, 133375), (485, 106700), (500, 103499), (550, 94090), (970, 53350), (1067, 48500), (1100, 47045), (1375, 37636), (1940, 26675), (2134, 24250), (2425, 21340), (2750, 18818), (4268, 12125), (4850, 10670), (5335, 9700), (5500, 9409)]