1278393400

素因数分解:

$2^3\times 5^2\times {\mathrm{193}}^1\times {\mathrm{33119}}^1$

素因数の和:33328

約数の個数: 48

約数和(自身を含む): 2987755200

約数和(自身を除く): 1709361800

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 193, 200, 386, 772, 965, 1544, 1930, 3860, 4825, 7720, 9650, 19300, 33119, 38600, 66238, 132476, 165595, 264952, 331190, 662380, 827975, 1324760, 1655950, 3311900, 6391967, 6623800, 12783934, 25567868, 31959835, 51135736, 63919670, 127839340, 159799175, 255678680, 319598350, 639196700, 1278393400]

約数ペア:

[(1, 1278393400), (2, 639196700), (4, 319598350), (5, 255678680), (8, 159799175), (10, 127839340), (20, 63919670), (25, 51135736), (40, 31959835), (50, 25567868), (100, 12783934), (193, 6623800), (200, 6391967), (386, 3311900), (772, 1655950), (965, 1324760), (1544, 827975), (1930, 662380), (3860, 331190), (4825, 264952), (7720, 165595), (9650, 132476), (19300, 66238), (33119, 38600)]