2657800

素因数分解:

$2^3\times 5^2\times {\mathrm{97}}^1\times {\mathrm{137}}^1$

素因数の和:250

約数の個数: 48

約数和(自身を含む): 6288660

約数和(自身を除く): 3630860

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 97, 100, 137, 194, 200, 274, 388, 485, 548, 685, 776, 970, 1096, 1370, 1940, 2425, 2740, 3425, 3880, 4850, 5480, 6850, 9700, 13289, 13700, 19400, 26578, 27400, 53156, 66445, 106312, 132890, 265780, 332225, 531560, 664450, 1328900, 2657800]

約数ペア:

[(1, 2657800), (2, 1328900), (4, 664450), (5, 531560), (8, 332225), (10, 265780), (20, 132890), (25, 106312), (40, 66445), (50, 53156), (97, 27400), (100, 26578), (137, 19400), (194, 13700), (200, 13289), (274, 9700), (388, 6850), (485, 5480), (548, 4850), (685, 3880), (776, 3425), (970, 2740), (1096, 2425), (1370, 1940)]