17120500

素因数分解:

$2^2\times 5^3\times {\mathrm{97}}^1\times {\mathrm{353}}^1$

素因数の和:469

約数の個数: 48

約数和(自身を含む): 37883664

約数和(自身を除く): 20763164

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 97, 100, 125, 194, 250, 353, 388, 485, 500, 706, 970, 1412, 1765, 1940, 2425, 3530, 4850, 7060, 8825, 9700, 12125, 17650, 24250, 34241, 35300, 44125, 48500, 68482, 88250, 136964, 171205, 176500, 342410, 684820, 856025, 1712050, 3424100, 4280125, 8560250, 17120500]

約数ペア:

[(1, 17120500), (2, 8560250), (4, 4280125), (5, 3424100), (10, 1712050), (20, 856025), (25, 684820), (50, 342410), (97, 176500), (100, 171205), (125, 136964), (194, 88250), (250, 68482), (353, 48500), (388, 44125), (485, 35300), (500, 34241), (706, 24250), (970, 17650), (1412, 12125), (1765, 9700), (1940, 8825), (2425, 7060), (3530, 4850)]