257423856

素因数分解:

$2^4\times 3^1\times {\mathrm{19}}^1\times {\mathrm{277}}^1\times {\mathrm{1019}}^1$

素因数の和:1326

約数の個数: 80

約数和(自身を含む): 703228800

約数和(自身を除く): 445804944

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 19, 24, 38, 48, 57, 76, 114, 152, 228, 277, 304, 456, 554, 831, 912, 1019, 1108, 1662, 2038, 2216, 3057, 3324, 4076, 4432, 5263, 6114, 6648, 8152, 10526, 12228, 13296, 15789, 16304, 19361, 21052, 24456, 31578, 38722, 42104, 48912, 58083, 63156, 77444, 84208, 116166, 126312, 154888, 232332, 252624, 282263, 309776, 464664, 564526, 846789, 929328, 1129052, 1693578, 2258104, 3387156, 4516208, 5362997, 6774312, 10725994, 13548624, 16088991, 21451988, 32177982, 42903976, 64355964, 85807952, 128711928, 257423856]

約数ペア:

[(1, 257423856), (2, 128711928), (3, 85807952), (4, 64355964), (6, 42903976), (8, 32177982), (12, 21451988), (16, 16088991), (19, 13548624), (24, 10725994), (38, 6774312), (48, 5362997), (57, 4516208), (76, 3387156), (114, 2258104), (152, 1693578), (228, 1129052), (277, 929328), (304, 846789), (456, 564526), (554, 464664), (831, 309776), (912, 282263), (1019, 252624), (1108, 232332), (1662, 154888), (2038, 126312), (2216, 116166), (3057, 84208), (3324, 77444), (4076, 63156), (4432, 58083), (5263, 48912), (6114, 42104), (6648, 38722), (8152, 31578), (10526, 24456), (12228, 21052), (13296, 19361), (15789, 16304)]