4991800

素因数分解:

$2^3\times 5^2\times {\mathrm{11}}^1\times {\mathrm{2269}}^1$

素因数の和:2296

約数の個数: 48

約数和(自身を含む): 12666600

約数和(自身を除く): 7674800

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 25, 40, 44, 50, 55, 88, 100, 110, 200, 220, 275, 440, 550, 1100, 2200, 2269, 4538, 9076, 11345, 18152, 22690, 24959, 45380, 49918, 56725, 90760, 99836, 113450, 124795, 199672, 226900, 249590, 453800, 499180, 623975, 998360, 1247950, 2495900, 4991800]

約数ペア:

[(1, 4991800), (2, 2495900), (4, 1247950), (5, 998360), (8, 623975), (10, 499180), (11, 453800), (20, 249590), (22, 226900), (25, 199672), (40, 124795), (44, 113450), (50, 99836), (55, 90760), (88, 56725), (100, 49918), (110, 45380), (200, 24959), (220, 22690), (275, 18152), (440, 11345), (550, 9076), (1100, 4538), (2200, 2269)]