2030921860

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{249499}}^1$

素因数の和:249556

約数の個数: 48

約数和(自身を含む): 4778424000

約数和(自身を除く): 2747502140

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 37, 44, 55, 74, 110, 148, 185, 220, 370, 407, 740, 814, 1628, 2035, 4070, 8140, 249499, 498998, 997996, 1247495, 2494990, 2744489, 4989980, 5488978, 9231463, 10977956, 13722445, 18462926, 27444890, 36925852, 46157315, 54889780, 92314630, 101546093, 184629260, 203092186, 406184372, 507730465, 1015460930, 2030921860]

約数ペア:

[(1, 2030921860), (2, 1015460930), (4, 507730465), (5, 406184372), (10, 203092186), (11, 184629260), (20, 101546093), (22, 92314630), (37, 54889780), (44, 46157315), (55, 36925852), (74, 27444890), (110, 18462926), (148, 13722445), (185, 10977956), (220, 9231463), (370, 5488978), (407, 4989980), (740, 2744489), (814, 2494990), (1628, 1247495), (2035, 997996), (4070, 498998), (8140, 249499)]