204171828

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{487}}^1$

素因数の和:562

約数の個数: 144

約数和(自身を含む): 598155264

約数和(自身を除く): 393983436

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 23, 28, 31, 42, 46, 49, 62, 69, 84, 92, 93, 98, 124, 138, 147, 161, 186, 196, 217, 276, 294, 322, 372, 434, 483, 487, 588, 644, 651, 713, 868, 966, 974, 1127, 1302, 1426, 1461, 1519, 1932, 1948, 2139, 2254, 2604, 2852, 2922, 3038, 3381, 3409, 4278, 4508, 4557, 4991, 5844, 6076, 6762, 6818, 8556, 9114, 9982, 10227, 11201, 13524, 13636, 14973, 15097, 18228, 19964, 20454, 22402, 23863, 29946, 30194, 33603, 34937, 40908, 44804, 45291, 47726, 59892, 60388, 67206, 69874, 71589, 78407, 90582, 95452, 104811, 105679, 134412, 139748, 143178, 156814, 181164, 209622, 211358, 235221, 286356, 313628, 317037, 347231, 419244, 422716, 470442, 548849, 634074, 694462, 739753, 940884, 1041693, 1097698, 1268148, 1388924, 1479506, 1646547, 2083386, 2195396, 2219259, 2430617, 2959012, 3293094, 4166772, 4438518, 4861234, 6586188, 7291851, 8877036, 9722468, 14583702, 17014319, 29167404, 34028638, 51042957, 68057276, 102085914, 204171828]

約数ペア:

[(1, 204171828), (2, 102085914), (3, 68057276), (4, 51042957), (6, 34028638), (7, 29167404), (12, 17014319), (14, 14583702), (21, 9722468), (23, 8877036), (28, 7291851), (31, 6586188), (42, 4861234), (46, 4438518), (49, 4166772), (62, 3293094), (69, 2959012), (84, 2430617), (92, 2219259), (93, 2195396), (98, 2083386), (124, 1646547), (138, 1479506), (147, 1388924), (161, 1268148), (186, 1097698), (196, 1041693), (217, 940884), (276, 739753), (294, 694462), (322, 634074), (372, 548849), (434, 470442), (483, 422716), (487, 419244), (588, 347231), (644, 317037), (651, 313628), (713, 286356), (868, 235221), (966, 211358), (974, 209622), (1127, 181164), (1302, 156814), (1426, 143178), (1461, 139748), (1519, 134412), (1932, 105679), (1948, 104811), (2139, 95452), (2254, 90582), (2604, 78407), (2852, 71589), (2922, 69874), (3038, 67206), (3381, 60388), (3409, 59892), (4278, 47726), (4508, 45291), (4557, 44804), (4991, 40908), (5844, 34937), (6076, 33603), (6762, 30194), (6818, 29946), (8556, 23863), (9114, 22402), (9982, 20454), (10227, 19964), (11201, 18228), (13524, 15097), (13636, 14973)]