6644500

素因数分解:

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

素因数の和:253

約数の個数: 48

約数和(自身を含む): 14768208

約数和(自身を除く): 8123708

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 97, 100, 125, 137, 194, 250, 274, 388, 485, 500, 548, 685, 970, 1370, 1940, 2425, 2740, 3425, 4850, 6850, 9700, 12125, 13289, 13700, 17125, 24250, 26578, 34250, 48500, 53156, 66445, 68500, 132890, 265780, 332225, 664450, 1328900, 1661125, 3322250, 6644500]

約数ペア:

[(1, 6644500), (2, 3322250), (4, 1661125), (5, 1328900), (10, 664450), (20, 332225), (25, 265780), (50, 132890), (97, 68500), (100, 66445), (125, 53156), (137, 48500), (194, 34250), (250, 26578), (274, 24250), (388, 17125), (485, 13700), (500, 13289), (548, 12125), (685, 9700), (970, 6850), (1370, 4850), (1940, 3425), (2425, 2740)]