289939468

素因数分解:

$2^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{113}}^1$

素因数の和:216

約数の個数: 144

約数和(自身を含む): 687748320

約数和(自身を除く): 397808852

約数列:

[1, 2, 4, 7, 13, 14, 19, 26, 28, 38, 49, 52, 53, 76, 91, 98, 106, 113, 133, 182, 196, 212, 226, 247, 266, 364, 371, 452, 494, 532, 637, 689, 742, 791, 931, 988, 1007, 1274, 1378, 1469, 1484, 1582, 1729, 1862, 2014, 2147, 2548, 2597, 2756, 2938, 3164, 3458, 3724, 4028, 4294, 4823, 5194, 5537, 5876, 5989, 6916, 7049, 8588, 9646, 10283, 10388, 11074, 11978, 12103, 13091, 14098, 15029, 19292, 20566, 22148, 23956, 24206, 26182, 27911, 28196, 30058, 33761, 41132, 41923, 48412, 49343, 52364, 55822, 60116, 67522, 71981, 77857, 83846, 91637, 98686, 105203, 111644, 113791, 135044, 143962, 155714, 167692, 183274, 195377, 197372, 210406, 227582, 287924, 293461, 311428, 366548, 390754, 420812, 455164, 544999, 586922, 641459, 781508, 796537, 1089998, 1173844, 1282918, 1367639, 1479283, 1593074, 2179996, 2565836, 2735278, 2958566, 3186148, 3814993, 5470556, 5575759, 5917132, 7629986, 10354981, 11151518, 15259972, 20709962, 22303036, 41419924, 72484867, 144969734, 289939468]

約数ペア:

[(1, 289939468), (2, 144969734), (4, 72484867), (7, 41419924), (13, 22303036), (14, 20709962), (19, 15259972), (26, 11151518), (28, 10354981), (38, 7629986), (49, 5917132), (52, 5575759), (53, 5470556), (76, 3814993), (91, 3186148), (98, 2958566), (106, 2735278), (113, 2565836), (133, 2179996), (182, 1593074), (196, 1479283), (212, 1367639), (226, 1282918), (247, 1173844), (266, 1089998), (364, 796537), (371, 781508), (452, 641459), (494, 586922), (532, 544999), (637, 455164), (689, 420812), (742, 390754), (791, 366548), (931, 311428), (988, 293461), (1007, 287924), (1274, 227582), (1378, 210406), (1469, 197372), (1484, 195377), (1582, 183274), (1729, 167692), (1862, 155714), (2014, 143962), (2147, 135044), (2548, 113791), (2597, 111644), (2756, 105203), (2938, 98686), (3164, 91637), (3458, 83846), (3724, 77857), (4028, 71981), (4294, 67522), (4823, 60116), (5194, 55822), (5537, 52364), (5876, 49343), (5989, 48412), (6916, 41923), (7049, 41132), (8588, 33761), (9646, 30058), (10283, 28196), (10388, 27911), (11074, 26182), (11978, 24206), (12103, 23956), (13091, 22148), (14098, 20566), (15029, 19292)]