19999950

素因数分解:

$2^1\times 3^1\times 5^2\times {\mathrm{151}}^1\times {\mathrm{883}}^1$

素因数の和:1049

約数の個数: 48

約数和(自身を含む): 49984896

約数和(自身を除く): 29984946

約数列:

[1, 2, 3, 5, 6, 10, 15, 25, 30, 50, 75, 150, 151, 302, 453, 755, 883, 906, 1510, 1766, 2265, 2649, 3775, 4415, 4530, 5298, 7550, 8830, 11325, 13245, 22075, 22650, 26490, 44150, 66225, 132450, 133333, 266666, 399999, 666665, 799998, 1333330, 1999995, 3333325, 3999990, 6666650, 9999975, 19999950]

約数ペア:

[(1, 19999950), (2, 9999975), (3, 6666650), (5, 3999990), (6, 3333325), (10, 1999995), (15, 1333330), (25, 799998), (30, 666665), (50, 399999), (75, 266666), (150, 133333), (151, 132450), (302, 66225), (453, 44150), (755, 26490), (883, 22650), (906, 22075), (1510, 13245), (1766, 11325), (2265, 8830), (2649, 7550), (3775, 5298), (4415, 4530)]