31427000

素因数分解:

$2^3\times 5^3\times {\mathrm{11}}^1\times {\mathrm{2857}}^1$

素因数の和:2889

約数の個数: 64

約数和(自身を含む): 80252640

約数和(自身を除く): 48825640

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 25, 40, 44, 50, 55, 88, 100, 110, 125, 200, 220, 250, 275, 440, 500, 550, 1000, 1100, 1375, 2200, 2750, 2857, 5500, 5714, 11000, 11428, 14285, 22856, 28570, 31427, 57140, 62854, 71425, 114280, 125708, 142850, 157135, 251416, 285700, 314270, 357125, 571400, 628540, 714250, 785675, 1257080, 1428500, 1571350, 2857000, 3142700, 3928375, 6285400, 7856750, 15713500, 31427000]

約数ペア:

[(1, 31427000), (2, 15713500), (4, 7856750), (5, 6285400), (8, 3928375), (10, 3142700), (11, 2857000), (20, 1571350), (22, 1428500), (25, 1257080), (40, 785675), (44, 714250), (50, 628540), (55, 571400), (88, 357125), (100, 314270), (110, 285700), (125, 251416), (200, 157135), (220, 142850), (250, 125708), (275, 114280), (440, 71425), (500, 62854), (550, 57140), (1000, 31427), (1100, 28570), (1375, 22856), (2200, 14285), (2750, 11428), (2857, 11000), (5500, 5714)]