239212120

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{31}}^2\times {\mathrm{127}}^1$

素因数の和:214

約数の個数: 144

約数和(自身を含む): 652043520

約数和(自身を除く): 412831400

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 31, 35, 40, 49, 56, 62, 70, 98, 124, 127, 140, 155, 196, 217, 245, 248, 254, 280, 310, 392, 434, 490, 508, 620, 635, 868, 889, 961, 980, 1016, 1085, 1240, 1270, 1519, 1736, 1778, 1922, 1960, 2170, 2540, 3038, 3556, 3844, 3937, 4340, 4445, 4805, 5080, 6076, 6223, 6727, 7112, 7595, 7688, 7874, 8680, 8890, 9610, 12152, 12446, 13454, 15190, 15748, 17780, 19220, 19685, 24892, 26908, 27559, 30380, 31115, 31496, 33635, 35560, 38440, 39370, 47089, 49784, 53816, 55118, 60760, 62230, 67270, 78740, 94178, 110236, 122047, 124460, 134540, 137795, 157480, 188356, 192913, 220472, 235445, 244094, 248920, 269080, 275590, 376712, 385826, 470890, 488188, 551180, 610235, 771652, 854329, 941780, 964565, 976376, 1102360, 1220470, 1543304, 1708658, 1883560, 1929130, 2440940, 3417316, 3858260, 4271645, 4881880, 5980303, 6834632, 7716520, 8543290, 11960606, 17086580, 23921212, 29901515, 34173160, 47842424, 59803030, 119606060, 239212120]

約数ペア:

[(1, 239212120), (2, 119606060), (4, 59803030), (5, 47842424), (7, 34173160), (8, 29901515), (10, 23921212), (14, 17086580), (20, 11960606), (28, 8543290), (31, 7716520), (35, 6834632), (40, 5980303), (49, 4881880), (56, 4271645), (62, 3858260), (70, 3417316), (98, 2440940), (124, 1929130), (127, 1883560), (140, 1708658), (155, 1543304), (196, 1220470), (217, 1102360), (245, 976376), (248, 964565), (254, 941780), (280, 854329), (310, 771652), (392, 610235), (434, 551180), (490, 488188), (508, 470890), (620, 385826), (635, 376712), (868, 275590), (889, 269080), (961, 248920), (980, 244094), (1016, 235445), (1085, 220472), (1240, 192913), (1270, 188356), (1519, 157480), (1736, 137795), (1778, 134540), (1922, 124460), (1960, 122047), (2170, 110236), (2540, 94178), (3038, 78740), (3556, 67270), (3844, 62230), (3937, 60760), (4340, 55118), (4445, 53816), (4805, 49784), (5080, 47089), (6076, 39370), (6223, 38440), (6727, 35560), (7112, 33635), (7595, 31496), (7688, 31115), (7874, 30380), (8680, 27559), (8890, 26908), (9610, 24892), (12152, 19685), (12446, 19220), (13454, 17780), (15190, 15748)]