171958000

素因数分解:

$2^4\times 5^3\times {\mathrm{127}}^1\times {\mathrm{677}}^1$

素因数の和:827

約数の個数: 80

約数和(自身を含む): 419687424

約数和(自身を除く): 247729424

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 125, 127, 200, 250, 254, 400, 500, 508, 635, 677, 1000, 1016, 1270, 1354, 2000, 2032, 2540, 2708, 3175, 3385, 5080, 5416, 6350, 6770, 10160, 10832, 12700, 13540, 15875, 16925, 25400, 27080, 31750, 33850, 50800, 54160, 63500, 67700, 84625, 85979, 127000, 135400, 169250, 171958, 254000, 270800, 338500, 343916, 429895, 677000, 687832, 859790, 1354000, 1375664, 1719580, 2149475, 3439160, 4298950, 6878320, 8597900, 10747375, 17195800, 21494750, 34391600, 42989500, 85979000, 171958000]

約数ペア:

[(1, 171958000), (2, 85979000), (4, 42989500), (5, 34391600), (8, 21494750), (10, 17195800), (16, 10747375), (20, 8597900), (25, 6878320), (40, 4298950), (50, 3439160), (80, 2149475), (100, 1719580), (125, 1375664), (127, 1354000), (200, 859790), (250, 687832), (254, 677000), (400, 429895), (500, 343916), (508, 338500), (635, 270800), (677, 254000), (1000, 171958), (1016, 169250), (1270, 135400), (1354, 127000), (2000, 85979), (2032, 84625), (2540, 67700), (2708, 63500), (3175, 54160), (3385, 50800), (5080, 33850), (5416, 31750), (6350, 27080), (6770, 25400), (10160, 16925), (10832, 15875), (12700, 13540)]