67472500

素因数分解:

$2^2\times 5^4\times {\mathrm{137}}^1\times {\mathrm{197}}^1$

素因数の和:358

約数の個数: 60

約数和(自身を含む): 149380308

約数和(自身を除く): 81907808

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 125, 137, 197, 250, 274, 394, 500, 548, 625, 685, 788, 985, 1250, 1370, 1970, 2500, 2740, 3425, 3940, 4925, 6850, 9850, 13700, 17125, 19700, 24625, 26989, 34250, 49250, 53978, 68500, 85625, 98500, 107956, 123125, 134945, 171250, 246250, 269890, 342500, 492500, 539780, 674725, 1349450, 2698900, 3373625, 6747250, 13494500, 16868125, 33736250, 67472500]

約数ペア:

[(1, 67472500), (2, 33736250), (4, 16868125), (5, 13494500), (10, 6747250), (20, 3373625), (25, 2698900), (50, 1349450), (100, 674725), (125, 539780), (137, 492500), (197, 342500), (250, 269890), (274, 246250), (394, 171250), (500, 134945), (548, 123125), (625, 107956), (685, 98500), (788, 85625), (985, 68500), (1250, 53978), (1370, 49250), (1970, 34250), (2500, 26989), (2740, 24625), (3425, 19700), (3940, 17125), (4925, 13700), (6850, 9850)]