278864768

素因数分解:

$2^7\times 7^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{269}}^1$

素因数の和:392

約数の個数: 128

約数和(自身を含む): 694008000

約数和(自身を除く): 415143232

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 32, 52, 56, 64, 89, 91, 104, 112, 128, 178, 182, 208, 224, 269, 356, 364, 416, 448, 538, 623, 712, 728, 832, 896, 1076, 1157, 1246, 1424, 1456, 1664, 1883, 2152, 2314, 2492, 2848, 2912, 3497, 3766, 4304, 4628, 4984, 5696, 5824, 6994, 7532, 8099, 8608, 9256, 9968, 11392, 11648, 13988, 15064, 16198, 17216, 18512, 19936, 23941, 24479, 27976, 30128, 32396, 34432, 37024, 39872, 47882, 48958, 55952, 60256, 64792, 74048, 79744, 95764, 97916, 111904, 120512, 129584, 148096, 167587, 191528, 195832, 223808, 241024, 259168, 311233, 335174, 383056, 391664, 447616, 518336, 622466, 670348, 766112, 783328, 1036672, 1244932, 1340696, 1532224, 1566656, 2178631, 2489864, 2681392, 3064448, 3133312, 4357262, 4979728, 5362784, 8714524, 9959456, 10725568, 17429048, 19918912, 21451136, 34858096, 39837824, 69716192, 139432384, 278864768]

約数ペア:

[(1, 278864768), (2, 139432384), (4, 69716192), (7, 39837824), (8, 34858096), (13, 21451136), (14, 19918912), (16, 17429048), (26, 10725568), (28, 9959456), (32, 8714524), (52, 5362784), (56, 4979728), (64, 4357262), (89, 3133312), (91, 3064448), (104, 2681392), (112, 2489864), (128, 2178631), (178, 1566656), (182, 1532224), (208, 1340696), (224, 1244932), (269, 1036672), (356, 783328), (364, 766112), (416, 670348), (448, 622466), (538, 518336), (623, 447616), (712, 391664), (728, 383056), (832, 335174), (896, 311233), (1076, 259168), (1157, 241024), (1246, 223808), (1424, 195832), (1456, 191528), (1664, 167587), (1883, 148096), (2152, 129584), (2314, 120512), (2492, 111904), (2848, 97916), (2912, 95764), (3497, 79744), (3766, 74048), (4304, 64792), (4628, 60256), (4984, 55952), (5696, 48958), (5824, 47882), (6994, 39872), (7532, 37024), (8099, 34432), (8608, 32396), (9256, 30128), (9968, 27976), (11392, 24479), (11648, 23941), (13988, 19936), (15064, 18512), (16198, 17216)]