3425000

素因数分解:

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

素因数の和:168

約数の個数: 48

約数和(自身を含む): 8085420

約数和(自身を除く): 4660420

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 125, 137, 200, 250, 274, 500, 548, 625, 685, 1000, 1096, 1250, 1370, 2500, 2740, 3125, 3425, 5000, 5480, 6250, 6850, 12500, 13700, 17125, 25000, 27400, 34250, 68500, 85625, 137000, 171250, 342500, 428125, 685000, 856250, 1712500, 3425000]

約数ペア:

[(1, 3425000), (2, 1712500), (4, 856250), (5, 685000), (8, 428125), (10, 342500), (20, 171250), (25, 137000), (40, 85625), (50, 68500), (100, 34250), (125, 27400), (137, 25000), (200, 17125), (250, 13700), (274, 12500), (500, 6850), (548, 6250), (625, 5480), (685, 5000), (1000, 3425), (1096, 3125), (1250, 2740), (1370, 2500)]