197976680

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{241}}^1\times {\mathrm{1867}}^1$

素因数の和:2130

約数の個数: 64

約数和(自身を含む): 488220480

約数和(自身を除く): 290243800

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 241, 440, 482, 964, 1205, 1867, 1928, 2410, 2651, 3734, 4820, 5302, 7468, 9335, 9640, 10604, 13255, 14936, 18670, 20537, 21208, 26510, 37340, 41074, 53020, 74680, 82148, 102685, 106040, 164296, 205370, 410740, 449947, 821480, 899894, 1799788, 2249735, 3599576, 4499470, 4949417, 8998940, 9898834, 17997880, 19797668, 24747085, 39595336, 49494170, 98988340, 197976680]

約数ペア:

[(1, 197976680), (2, 98988340), (4, 49494170), (5, 39595336), (8, 24747085), (10, 19797668), (11, 17997880), (20, 9898834), (22, 8998940), (40, 4949417), (44, 4499470), (55, 3599576), (88, 2249735), (110, 1799788), (220, 899894), (241, 821480), (440, 449947), (482, 410740), (964, 205370), (1205, 164296), (1867, 106040), (1928, 102685), (2410, 82148), (2651, 74680), (3734, 53020), (4820, 41074), (5302, 37340), (7468, 26510), (9335, 21208), (9640, 20537), (10604, 18670), (13255, 14936)]