1280496950

素因数分解:

$2^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{997}}^1\times {\mathrm{1511}}^1$

素因数の和:2537

約数の個数: 48

約数和(自身を含む): 2526025824

約数和(自身を除く): 1245528874

約数列:

[1, 2, 5, 10, 17, 25, 34, 50, 85, 170, 425, 850, 997, 1511, 1994, 3022, 4985, 7555, 9970, 15110, 16949, 24925, 25687, 33898, 37775, 49850, 51374, 75550, 84745, 128435, 169490, 256870, 423725, 642175, 847450, 1284350, 1506467, 3012934, 7532335, 15064670, 25609939, 37661675, 51219878, 75323350, 128049695, 256099390, 640248475, 1280496950]

約数ペア:

[(1, 1280496950), (2, 640248475), (5, 256099390), (10, 128049695), (17, 75323350), (25, 51219878), (34, 37661675), (50, 25609939), (85, 15064670), (170, 7532335), (425, 3012934), (850, 1506467), (997, 1284350), (1511, 847450), (1994, 642175), (3022, 423725), (4985, 256870), (7555, 169490), (9970, 128435), (15110, 84745), (16949, 75550), (24925, 51374), (25687, 49850), (33898, 37775)]