28986930

素因数分解:

$2^1\times 3^3\times 5^1\times 7^3\times {\mathrm{313}}^1$

素因数の和:350

約数の個数: 128

約数和(自身を含む): 90432000

約数和(自身を除く): 61445070

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 27, 30, 35, 42, 45, 49, 54, 63, 70, 90, 98, 105, 126, 135, 147, 189, 210, 245, 270, 294, 313, 315, 343, 378, 441, 490, 626, 630, 686, 735, 882, 939, 945, 1029, 1323, 1470, 1565, 1715, 1878, 1890, 2058, 2191, 2205, 2646, 2817, 3087, 3130, 3430, 4382, 4410, 4695, 5145, 5634, 6174, 6573, 6615, 8451, 9261, 9390, 10290, 10955, 13146, 13230, 14085, 15337, 15435, 16902, 18522, 19719, 21910, 28170, 30674, 30870, 32865, 39438, 42255, 46011, 46305, 59157, 65730, 76685, 84510, 92022, 92610, 98595, 107359, 118314, 138033, 153370, 197190, 214718, 230055, 276066, 295785, 322077, 414099, 460110, 536795, 591570, 644154, 690165, 828198, 966231, 1073590, 1380330, 1610385, 1932462, 2070495, 2898693, 3220770, 4140990, 4831155, 5797386, 9662310, 14493465, 28986930]

約数ペア:

[(1, 28986930), (2, 14493465), (3, 9662310), (5, 5797386), (6, 4831155), (7, 4140990), (9, 3220770), (10, 2898693), (14, 2070495), (15, 1932462), (18, 1610385), (21, 1380330), (27, 1073590), (30, 966231), (35, 828198), (42, 690165), (45, 644154), (49, 591570), (54, 536795), (63, 460110), (70, 414099), (90, 322077), (98, 295785), (105, 276066), (126, 230055), (135, 214718), (147, 197190), (189, 153370), (210, 138033), (245, 118314), (270, 107359), (294, 98595), (313, 92610), (315, 92022), (343, 84510), (378, 76685), (441, 65730), (490, 59157), (626, 46305), (630, 46011), (686, 42255), (735, 39438), (882, 32865), (939, 30870), (945, 30674), (1029, 28170), (1323, 21910), (1470, 19719), (1565, 18522), (1715, 16902), (1878, 15435), (1890, 15337), (2058, 14085), (2191, 13230), (2205, 13146), (2646, 10955), (2817, 10290), (3087, 9390), (3130, 9261), (3430, 8451), (4382, 6615), (4410, 6573), (4695, 6174), (5145, 5634)]