257356400

素因数分解:

$2^4\times 5^2\times 7^1\times {\mathrm{107}}^1\times {\mathrm{859}}^1$

素因数の和:991

約数の個数: 120

約数和(自身を含む): 714061440

約数和(自身を除く): 456705040

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 35, 40, 50, 56, 70, 80, 100, 107, 112, 140, 175, 200, 214, 280, 350, 400, 428, 535, 560, 700, 749, 856, 859, 1070, 1400, 1498, 1712, 1718, 2140, 2675, 2800, 2996, 3436, 3745, 4280, 4295, 5350, 5992, 6013, 6872, 7490, 8560, 8590, 10700, 11984, 12026, 13744, 14980, 17180, 18725, 21400, 21475, 24052, 29960, 30065, 34360, 37450, 42800, 42950, 48104, 59920, 60130, 68720, 74900, 85900, 91913, 96208, 120260, 149800, 150325, 171800, 183826, 240520, 299600, 300650, 343600, 367652, 459565, 481040, 601300, 643391, 735304, 919130, 1202600, 1286782, 1470608, 1838260, 2297825, 2405200, 2573564, 3216955, 3676520, 4595650, 5147128, 6433910, 7353040, 9191300, 10294256, 12867820, 16084775, 18382600, 25735640, 32169550, 36765200, 51471280, 64339100, 128678200, 257356400]

約数ペア:

[(1, 257356400), (2, 128678200), (4, 64339100), (5, 51471280), (7, 36765200), (8, 32169550), (10, 25735640), (14, 18382600), (16, 16084775), (20, 12867820), (25, 10294256), (28, 9191300), (35, 7353040), (40, 6433910), (50, 5147128), (56, 4595650), (70, 3676520), (80, 3216955), (100, 2573564), (107, 2405200), (112, 2297825), (140, 1838260), (175, 1470608), (200, 1286782), (214, 1202600), (280, 919130), (350, 735304), (400, 643391), (428, 601300), (535, 481040), (560, 459565), (700, 367652), (749, 343600), (856, 300650), (859, 299600), (1070, 240520), (1400, 183826), (1498, 171800), (1712, 150325), (1718, 149800), (2140, 120260), (2675, 96208), (2800, 91913), (2996, 85900), (3436, 74900), (3745, 68720), (4280, 60130), (4295, 59920), (5350, 48104), (5992, 42950), (6013, 42800), (6872, 37450), (7490, 34360), (8560, 30065), (8590, 29960), (10700, 24052), (11984, 21475), (12026, 21400), (13744, 18725), (14980, 17180)]