4985800

素因数分解:

$2^3\times 5^2\times {\mathrm{97}}^1\times {\mathrm{257}}^1$

素因数の和:370

約数の個数: 48

約数和(自身を含む): 11757060

約数和(自身を除く): 6771260

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 97, 100, 194, 200, 257, 388, 485, 514, 776, 970, 1028, 1285, 1940, 2056, 2425, 2570, 3880, 4850, 5140, 6425, 9700, 10280, 12850, 19400, 24929, 25700, 49858, 51400, 99716, 124645, 199432, 249290, 498580, 623225, 997160, 1246450, 2492900, 4985800]

約数ペア:

[(1, 4985800), (2, 2492900), (4, 1246450), (5, 997160), (8, 623225), (10, 498580), (20, 249290), (25, 199432), (40, 124645), (50, 99716), (97, 51400), (100, 49858), (194, 25700), (200, 24929), (257, 19400), (388, 12850), (485, 10280), (514, 9700), (776, 6425), (970, 5140), (1028, 4850), (1285, 3880), (1940, 2570), (2056, 2425)]