212620212

素因数分解:

$2^2\times 3^2\times 7^3\times {\mathrm{67}}^1\times {\mathrm{257}}^1$

素因数の和:355

約数の個数: 144

約数和(自身を含む): 638601600

約数和(自身を除く): 425981388

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 49, 63, 67, 84, 98, 126, 134, 147, 196, 201, 252, 257, 268, 294, 343, 402, 441, 469, 514, 588, 603, 686, 771, 804, 882, 938, 1028, 1029, 1206, 1372, 1407, 1542, 1764, 1799, 1876, 2058, 2313, 2412, 2814, 3084, 3087, 3283, 3598, 4116, 4221, 4626, 5397, 5628, 6174, 6566, 7196, 8442, 9252, 9849, 10794, 12348, 12593, 13132, 16191, 16884, 17219, 19698, 21588, 22981, 25186, 29547, 32382, 34438, 37779, 39396, 45962, 50372, 51657, 59094, 64764, 68876, 68943, 75558, 88151, 91924, 103314, 113337, 118188, 120533, 137886, 151116, 154971, 176302, 206628, 206829, 226674, 241066, 264453, 275772, 309942, 352604, 361599, 413658, 453348, 482132, 528906, 619884, 723198, 793359, 827316, 843731, 1057812, 1084797, 1446396, 1586718, 1687462, 2169594, 2531193, 3173436, 3374924, 4339188, 5062386, 5906117, 7593579, 10124772, 11812234, 15187158, 17718351, 23624468, 30374316, 35436702, 53155053, 70873404, 106310106, 212620212]

約数ペア:

[(1, 212620212), (2, 106310106), (3, 70873404), (4, 53155053), (6, 35436702), (7, 30374316), (9, 23624468), (12, 17718351), (14, 15187158), (18, 11812234), (21, 10124772), (28, 7593579), (36, 5906117), (42, 5062386), (49, 4339188), (63, 3374924), (67, 3173436), (84, 2531193), (98, 2169594), (126, 1687462), (134, 1586718), (147, 1446396), (196, 1084797), (201, 1057812), (252, 843731), (257, 827316), (268, 793359), (294, 723198), (343, 619884), (402, 528906), (441, 482132), (469, 453348), (514, 413658), (588, 361599), (603, 352604), (686, 309942), (771, 275772), (804, 264453), (882, 241066), (938, 226674), (1028, 206829), (1029, 206628), (1206, 176302), (1372, 154971), (1407, 151116), (1542, 137886), (1764, 120533), (1799, 118188), (1876, 113337), (2058, 103314), (2313, 91924), (2412, 88151), (2814, 75558), (3084, 68943), (3087, 68876), (3283, 64764), (3598, 59094), (4116, 51657), (4221, 50372), (4626, 45962), (5397, 39396), (5628, 37779), (6174, 34438), (6566, 32382), (7196, 29547), (8442, 25186), (9252, 22981), (9849, 21588), (10794, 19698), (12348, 17219), (12593, 16884), (13132, 16191)]