278989824

素因数分解:

$2^{10}\times 3^1\times {\mathrm{197}}^1\times {\mathrm{461}}^1$

素因数の和:681

約数の個数: 88

約数和(自身を含む): 749005488

約数和(自身を除く): 470015664

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 64, 96, 128, 192, 197, 256, 384, 394, 461, 512, 591, 768, 788, 922, 1024, 1182, 1383, 1536, 1576, 1844, 2364, 2766, 3072, 3152, 3688, 4728, 5532, 6304, 7376, 9456, 11064, 12608, 14752, 18912, 22128, 25216, 29504, 37824, 44256, 50432, 59008, 75648, 88512, 90817, 100864, 118016, 151296, 177024, 181634, 201728, 236032, 272451, 302592, 354048, 363268, 472064, 544902, 605184, 708096, 726536, 1089804, 1416192, 1453072, 2179608, 2906144, 4359216, 5812288, 8718432, 11624576, 17436864, 23249152, 34873728, 46498304, 69747456, 92996608, 139494912, 278989824]

約数ペア:

[(1, 278989824), (2, 139494912), (3, 92996608), (4, 69747456), (6, 46498304), (8, 34873728), (12, 23249152), (16, 17436864), (24, 11624576), (32, 8718432), (48, 5812288), (64, 4359216), (96, 2906144), (128, 2179608), (192, 1453072), (197, 1416192), (256, 1089804), (384, 726536), (394, 708096), (461, 605184), (512, 544902), (591, 472064), (768, 363268), (788, 354048), (922, 302592), (1024, 272451), (1182, 236032), (1383, 201728), (1536, 181634), (1576, 177024), (1844, 151296), (2364, 118016), (2766, 100864), (3072, 90817), (3152, 88512), (3688, 75648), (4728, 59008), (5532, 50432), (6304, 44256), (7376, 37824), (9456, 29504), (11064, 25216), (12608, 22128), (14752, 18912)]