399720048

素因数分解:

$2^4\times 3^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{769}}^1$

素因数の和:824

約数の個数: 240

約数和(自身を含む): 1371474720

約数和(自身を除く): 971754672

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 13, 14, 16, 17, 21, 24, 26, 28, 34, 39, 42, 48, 49, 51, 52, 56, 68, 78, 84, 91, 98, 102, 104, 112, 119, 136, 147, 156, 168, 182, 196, 204, 208, 221, 238, 272, 273, 294, 312, 336, 357, 364, 392, 408, 442, 476, 546, 588, 624, 637, 663, 714, 728, 769, 784, 816, 833, 884, 952, 1092, 1176, 1274, 1326, 1428, 1456, 1538, 1547, 1666, 1768, 1904, 1911, 2184, 2307, 2352, 2499, 2548, 2652, 2856, 3076, 3094, 3332, 3536, 3822, 4368, 4614, 4641, 4998, 5096, 5304, 5383, 5712, 6152, 6188, 6664, 7644, 9228, 9282, 9996, 9997, 10192, 10608, 10766, 10829, 12304, 12376, 13073, 13328, 15288, 16149, 18456, 18564, 19992, 19994, 21532, 21658, 24752, 26146, 29991, 30576, 32298, 32487, 36912, 37128, 37681, 39219, 39984, 39988, 43064, 43316, 52292, 59982, 64596, 64974, 69979, 74256, 75362, 78438, 79976, 86128, 86632, 91511, 104584, 113043, 119964, 129192, 129948, 139958, 150724, 156876, 159952, 169949, 173264, 183022, 209168, 209937, 226086, 239928, 258384, 259896, 274533, 279916, 301448, 313752, 339898, 366044, 419874, 452172, 479856, 489853, 509847, 519792, 549066, 559832, 602896, 627504, 640577, 679796, 732088, 839748, 904344, 979706, 1019694, 1098132, 1119664, 1189643, 1281154, 1359592, 1464176, 1469559, 1679496, 1808688, 1921731, 1959412, 2039388, 2196264, 2379286, 2562308, 2719184, 2939118, 3358992, 3568929, 3843462, 3918824, 4078776, 4392528, 4758572, 5124616, 5878236, 7137858, 7686924, 7837648, 8157552, 8327501, 9517144, 10249232, 11756472, 14275716, 15373848, 16655002, 19034288, 23512944, 24982503, 28551432, 30747696, 33310004, 49965006, 57102864, 66620008, 99930012, 133240016, 199860024, 399720048]

約数ペア:

[(1, 399720048), (2, 199860024), (3, 133240016), (4, 99930012), (6, 66620008), (7, 57102864), (8, 49965006), (12, 33310004), (13, 30747696), (14, 28551432), (16, 24982503), (17, 23512944), (21, 19034288), (24, 16655002), (26, 15373848), (28, 14275716), (34, 11756472), (39, 10249232), (42, 9517144), (48, 8327501), (49, 8157552), (51, 7837648), (52, 7686924), (56, 7137858), (68, 5878236), (78, 5124616), (84, 4758572), (91, 4392528), (98, 4078776), (102, 3918824), (104, 3843462), (112, 3568929), (119, 3358992), (136, 2939118), (147, 2719184), (156, 2562308), (168, 2379286), (182, 2196264), (196, 2039388), (204, 1959412), (208, 1921731), (221, 1808688), (238, 1679496), (272, 1469559), (273, 1464176), (294, 1359592), (312, 1281154), (336, 1189643), (357, 1119664), (364, 1098132), (392, 1019694), (408, 979706), (442, 904344), (476, 839748), (546, 732088), (588, 679796), (624, 640577), (637, 627504), (663, 602896), (714, 559832), (728, 549066), (769, 519792), (784, 509847), (816, 489853), (833, 479856), (884, 452172), (952, 419874), (1092, 366044), (1176, 339898), (1274, 313752), (1326, 301448), (1428, 279916), (1456, 274533), (1538, 259896), (1547, 258384), (1666, 239928), (1768, 226086), (1904, 209937), (1911, 209168), (2184, 183022), (2307, 173264), (2352, 169949), (2499, 159952), (2548, 156876), (2652, 150724), (2856, 139958), (3076, 129948), (3094, 129192), (3332, 119964), (3536, 113043), (3822, 104584), (4368, 91511), (4614, 86632), (4641, 86128), (4998, 79976), (5096, 78438), (5304, 75362), (5383, 74256), (5712, 69979), (6152, 64974), (6188, 64596), (6664, 59982), (7644, 52292), (9228, 43316), (9282, 43064), (9996, 39988), (9997, 39984), (10192, 39219), (10608, 37681), (10766, 37128), (10829, 36912), (12304, 32487), (12376, 32298), (13073, 30576), (13328, 29991), (15288, 26146), (16149, 24752), (18456, 21658), (18564, 21532), (19992, 19994)]