255390800

素因数分解:

$2^4\times 5^2\times 7^1\times {\mathrm{197}}^1\times {\mathrm{463}}^1$

素因数の和:685

約数の個数: 120

約数和(自身を含む): 706311936

約数和(自身を除く): 450921136

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 35, 40, 50, 56, 70, 80, 100, 112, 140, 175, 197, 200, 280, 350, 394, 400, 463, 560, 700, 788, 926, 985, 1379, 1400, 1576, 1852, 1970, 2315, 2758, 2800, 3152, 3241, 3704, 3940, 4630, 4925, 5516, 6482, 6895, 7408, 7880, 9260, 9850, 11032, 11575, 12964, 13790, 15760, 16205, 18520, 19700, 22064, 23150, 25928, 27580, 32410, 34475, 37040, 39400, 46300, 51856, 55160, 64820, 68950, 78800, 81025, 91211, 92600, 110320, 129640, 137900, 162050, 182422, 185200, 259280, 275800, 324100, 364844, 456055, 551600, 638477, 648200, 729688, 912110, 1276954, 1296400, 1459376, 1824220, 2280275, 2553908, 3192385, 3648440, 4560550, 5107816, 6384770, 7296880, 9121100, 10215632, 12769540, 15961925, 18242200, 25539080, 31923850, 36484400, 51078160, 63847700, 127695400, 255390800]

約数ペア:

[(1, 255390800), (2, 127695400), (4, 63847700), (5, 51078160), (7, 36484400), (8, 31923850), (10, 25539080), (14, 18242200), (16, 15961925), (20, 12769540), (25, 10215632), (28, 9121100), (35, 7296880), (40, 6384770), (50, 5107816), (56, 4560550), (70, 3648440), (80, 3192385), (100, 2553908), (112, 2280275), (140, 1824220), (175, 1459376), (197, 1296400), (200, 1276954), (280, 912110), (350, 729688), (394, 648200), (400, 638477), (463, 551600), (560, 456055), (700, 364844), (788, 324100), (926, 275800), (985, 259280), (1379, 185200), (1400, 182422), (1576, 162050), (1852, 137900), (1970, 129640), (2315, 110320), (2758, 92600), (2800, 91211), (3152, 81025), (3241, 78800), (3704, 68950), (3940, 64820), (4630, 55160), (4925, 51856), (5516, 46300), (6482, 39400), (6895, 37040), (7408, 34475), (7880, 32410), (9260, 27580), (9850, 25928), (11032, 23150), (11575, 22064), (12964, 19700), (13790, 18520), (15760, 16205)]