239800

素因数分解:

$2^3\times 5^2\times {\mathrm{11}}^1\times {\mathrm{109}}^1$

素因数の和:136

約数の個数: 48

約数和(自身を含む): 613800

約数和(自身を除く): 374000

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 25, 40, 44, 50, 55, 88, 100, 109, 110, 200, 218, 220, 275, 436, 440, 545, 550, 872, 1090, 1100, 1199, 2180, 2200, 2398, 2725, 4360, 4796, 5450, 5995, 9592, 10900, 11990, 21800, 23980, 29975, 47960, 59950, 119900, 239800]

約数ペア:

[(1, 239800), (2, 119900), (4, 59950), (5, 47960), (8, 29975), (10, 23980), (11, 21800), (20, 11990), (22, 10900), (25, 9592), (40, 5995), (44, 5450), (50, 4796), (55, 4360), (88, 2725), (100, 2398), (109, 2200), (110, 2180), (200, 1199), (218, 1100), (220, 1090), (275, 872), (436, 550), (440, 545)]