254849000

素因数分解:

$2^3\times 5^3\times 7^3\times {\mathrm{743}}^1$

素因数の和:785

約数の個数: 128

約数和(自身を含む): 696384000

約数和(自身を除く): 441535000

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 25, 28, 35, 40, 49, 50, 56, 70, 98, 100, 125, 140, 175, 196, 200, 245, 250, 280, 343, 350, 392, 490, 500, 686, 700, 743, 875, 980, 1000, 1225, 1372, 1400, 1486, 1715, 1750, 1960, 2450, 2744, 2972, 3430, 3500, 3715, 4900, 5201, 5944, 6125, 6860, 7000, 7430, 8575, 9800, 10402, 12250, 13720, 14860, 17150, 18575, 20804, 24500, 26005, 29720, 34300, 36407, 37150, 41608, 42875, 49000, 52010, 68600, 72814, 74300, 85750, 92875, 104020, 130025, 145628, 148600, 171500, 182035, 185750, 208040, 254849, 260050, 291256, 343000, 364070, 371500, 509698, 520100, 650125, 728140, 743000, 910175, 1019396, 1040200, 1274245, 1300250, 1456280, 1820350, 2038792, 2548490, 2600500, 3640700, 4550875, 5096980, 5201000, 6371225, 7281400, 9101750, 10193960, 12742450, 18203500, 25484900, 31856125, 36407000, 50969800, 63712250, 127424500, 254849000]

約数ペア:

[(1, 254849000), (2, 127424500), (4, 63712250), (5, 50969800), (7, 36407000), (8, 31856125), (10, 25484900), (14, 18203500), (20, 12742450), (25, 10193960), (28, 9101750), (35, 7281400), (40, 6371225), (49, 5201000), (50, 5096980), (56, 4550875), (70, 3640700), (98, 2600500), (100, 2548490), (125, 2038792), (140, 1820350), (175, 1456280), (196, 1300250), (200, 1274245), (245, 1040200), (250, 1019396), (280, 910175), (343, 743000), (350, 728140), (392, 650125), (490, 520100), (500, 509698), (686, 371500), (700, 364070), (743, 343000), (875, 291256), (980, 260050), (1000, 254849), (1225, 208040), (1372, 185750), (1400, 182035), (1486, 171500), (1715, 148600), (1750, 145628), (1960, 130025), (2450, 104020), (2744, 92875), (2972, 85750), (3430, 74300), (3500, 72814), (3715, 68600), (4900, 52010), (5201, 49000), (5944, 42875), (6125, 41608), (6860, 37150), (7000, 36407), (7430, 34300), (8575, 29720), (9800, 26005), (10402, 24500), (12250, 20804), (13720, 18575), (14860, 17150)]