208028500

素因数分解:

$2^2\times 5^3\times {\mathrm{563}}^1\times {\mathrm{739}}^1$

素因数の和:1321

約数の個数: 48

約数和(自身を含む): 455757120

約数和(自身を除く): 247728620

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 125, 250, 500, 563, 739, 1126, 1478, 2252, 2815, 2956, 3695, 5630, 7390, 11260, 14075, 14780, 18475, 28150, 36950, 56300, 70375, 73900, 92375, 140750, 184750, 281500, 369500, 416057, 832114, 1664228, 2080285, 4160570, 8321140, 10401425, 20802850, 41605700, 52007125, 104014250, 208028500]

約数ペア:

[(1, 208028500), (2, 104014250), (4, 52007125), (5, 41605700), (10, 20802850), (20, 10401425), (25, 8321140), (50, 4160570), (100, 2080285), (125, 1664228), (250, 832114), (500, 416057), (563, 369500), (739, 281500), (1126, 184750), (1478, 140750), (2252, 92375), (2815, 73900), (2956, 70375), (3695, 56300), (5630, 36950), (7390, 28150), (11260, 18475), (14075, 14780)]