208026500

素因数分解:

$2^2\times 5^3\times {\mathrm{11}}^1\times {\mathrm{109}}^1\times {\mathrm{347}}^1$

素因数の和:486

約数の個数: 96

約数和(自身を含む): 501621120

約数和(自身を除く): 293594620

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 25, 44, 50, 55, 100, 109, 110, 125, 218, 220, 250, 275, 347, 436, 500, 545, 550, 694, 1090, 1100, 1199, 1375, 1388, 1735, 2180, 2398, 2725, 2750, 3470, 3817, 4796, 5450, 5500, 5995, 6940, 7634, 8675, 10900, 11990, 13625, 15268, 17350, 19085, 23980, 27250, 29975, 34700, 37823, 38170, 43375, 54500, 59950, 75646, 76340, 86750, 95425, 119900, 149875, 151292, 173500, 189115, 190850, 299750, 378230, 381700, 416053, 477125, 599500, 756460, 832106, 945575, 954250, 1664212, 1891150, 1908500, 2080265, 3782300, 4160530, 4727875, 8321060, 9455750, 10401325, 18911500, 20802650, 41605300, 52006625, 104013250, 208026500]

約数ペア:

[(1, 208026500), (2, 104013250), (4, 52006625), (5, 41605300), (10, 20802650), (11, 18911500), (20, 10401325), (22, 9455750), (25, 8321060), (44, 4727875), (50, 4160530), (55, 3782300), (100, 2080265), (109, 1908500), (110, 1891150), (125, 1664212), (218, 954250), (220, 945575), (250, 832106), (275, 756460), (347, 599500), (436, 477125), (500, 416053), (545, 381700), (550, 378230), (694, 299750), (1090, 190850), (1100, 189115), (1199, 173500), (1375, 151292), (1388, 149875), (1735, 119900), (2180, 95425), (2398, 86750), (2725, 76340), (2750, 75646), (3470, 59950), (3817, 54500), (4796, 43375), (5450, 38170), (5500, 37823), (5995, 34700), (6940, 29975), (7634, 27250), (8675, 23980), (10900, 19085), (11990, 17350), (13625, 15268)]