398128128

素因数分解:

$2^{10}\times 3^1\times {\mathrm{19}}^2\times {\mathrm{359}}^1$

素因数の和:420

約数の個数: 132

約数和(自身を含む): 1123066080

約数和(自身を除く): 724937952

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 19, 24, 32, 38, 48, 57, 64, 76, 96, 114, 128, 152, 192, 228, 256, 304, 359, 361, 384, 456, 512, 608, 718, 722, 768, 912, 1024, 1077, 1083, 1216, 1436, 1444, 1536, 1824, 2154, 2166, 2432, 2872, 2888, 3072, 3648, 4308, 4332, 4864, 5744, 5776, 6821, 7296, 8616, 8664, 9728, 11488, 11552, 13642, 14592, 17232, 17328, 19456, 20463, 22976, 23104, 27284, 29184, 34464, 34656, 40926, 45952, 46208, 54568, 58368, 68928, 69312, 81852, 91904, 92416, 109136, 129599, 137856, 138624, 163704, 183808, 184832, 218272, 259198, 275712, 277248, 327408, 367616, 369664, 388797, 436544, 518396, 551424, 554496, 654816, 777594, 873088, 1036792, 1102848, 1108992, 1309632, 1555188, 1746176, 2073584, 2619264, 3110376, 3492352, 4147168, 5238528, 6220752, 6984704, 8294336, 10477056, 12441504, 16588672, 20954112, 24883008, 33177344, 49766016, 66354688, 99532032, 132709376, 199064064, 398128128]

約数ペア:

[(1, 398128128), (2, 199064064), (3, 132709376), (4, 99532032), (6, 66354688), (8, 49766016), (12, 33177344), (16, 24883008), (19, 20954112), (24, 16588672), (32, 12441504), (38, 10477056), (48, 8294336), (57, 6984704), (64, 6220752), (76, 5238528), (96, 4147168), (114, 3492352), (128, 3110376), (152, 2619264), (192, 2073584), (228, 1746176), (256, 1555188), (304, 1309632), (359, 1108992), (361, 1102848), (384, 1036792), (456, 873088), (512, 777594), (608, 654816), (718, 554496), (722, 551424), (768, 518396), (912, 436544), (1024, 388797), (1077, 369664), (1083, 367616), (1216, 327408), (1436, 277248), (1444, 275712), (1536, 259198), (1824, 218272), (2154, 184832), (2166, 183808), (2432, 163704), (2872, 138624), (2888, 137856), (3072, 129599), (3648, 109136), (4308, 92416), (4332, 91904), (4864, 81852), (5744, 69312), (5776, 68928), (6821, 58368), (7296, 54568), (8616, 46208), (8664, 45952), (9728, 40926), (11488, 34656), (11552, 34464), (13642, 29184), (14592, 27284), (17232, 23104), (17328, 22976), (19456, 20463)]