217811440

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{1861}}^1$

素因数の和:1911

約数の個数: 160

約数和(自身を含む): 664957440

約数和(自身を除く): 447146000

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 19, 20, 22, 28, 35, 38, 40, 44, 55, 56, 70, 76, 77, 80, 88, 95, 110, 112, 133, 140, 152, 154, 176, 190, 209, 220, 266, 280, 304, 308, 380, 385, 418, 440, 532, 560, 616, 665, 760, 770, 836, 880, 1045, 1064, 1232, 1330, 1463, 1520, 1540, 1672, 1861, 2090, 2128, 2660, 2926, 3080, 3344, 3722, 4180, 5320, 5852, 6160, 7315, 7444, 8360, 9305, 10640, 11704, 13027, 14630, 14888, 16720, 18610, 20471, 23408, 26054, 29260, 29776, 35359, 37220, 40942, 52108, 58520, 65135, 70718, 74440, 81884, 102355, 104216, 117040, 130270, 141436, 143297, 148880, 163768, 176795, 204710, 208432, 247513, 260540, 282872, 286594, 327536, 353590, 388949, 409420, 495026, 521080, 565744, 573188, 707180, 716485, 777898, 818840, 990052, 1042160, 1146376, 1237565, 1414360, 1432970, 1555796, 1637680, 1944745, 1980104, 2292752, 2475130, 2722643, 2828720, 2865940, 3111592, 3889490, 3960208, 4950260, 5445286, 5731880, 6223184, 7778980, 9900520, 10890572, 11463760, 13613215, 15557960, 19801040, 21781144, 27226430, 31115920, 43562288, 54452860, 108905720, 217811440]

約数ペア:

[(1, 217811440), (2, 108905720), (4, 54452860), (5, 43562288), (7, 31115920), (8, 27226430), (10, 21781144), (11, 19801040), (14, 15557960), (16, 13613215), (19, 11463760), (20, 10890572), (22, 9900520), (28, 7778980), (35, 6223184), (38, 5731880), (40, 5445286), (44, 4950260), (55, 3960208), (56, 3889490), (70, 3111592), (76, 2865940), (77, 2828720), (80, 2722643), (88, 2475130), (95, 2292752), (110, 1980104), (112, 1944745), (133, 1637680), (140, 1555796), (152, 1432970), (154, 1414360), (176, 1237565), (190, 1146376), (209, 1042160), (220, 990052), (266, 818840), (280, 777898), (304, 716485), (308, 707180), (380, 573188), (385, 565744), (418, 521080), (440, 495026), (532, 409420), (560, 388949), (616, 353590), (665, 327536), (760, 286594), (770, 282872), (836, 260540), (880, 247513), (1045, 208432), (1064, 204710), (1232, 176795), (1330, 163768), (1463, 148880), (1520, 143297), (1540, 141436), (1672, 130270), (1861, 117040), (2090, 104216), (2128, 102355), (2660, 81884), (2926, 74440), (3080, 70718), (3344, 65135), (3722, 58520), (4180, 52108), (5320, 40942), (5852, 37220), (6160, 35359), (7315, 29776), (7444, 29260), (8360, 26054), (9305, 23408), (10640, 20471), (11704, 18610), (13027, 16720), (14630, 14888)]