257347248

素因数分解:

$2^4\times 3^1\times {\mathrm{19}}^1\times {\mathrm{181}}^1\times {\mathrm{1559}}^1$

素因数の和:1770

約数の個数: 80

約数和(自身を含む): 704121600

約数和(自身を除く): 446774352

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 19, 24, 38, 48, 57, 76, 114, 152, 181, 228, 304, 362, 456, 543, 724, 912, 1086, 1448, 1559, 2172, 2896, 3118, 3439, 4344, 4677, 6236, 6878, 8688, 9354, 10317, 12472, 13756, 18708, 20634, 24944, 27512, 29621, 37416, 41268, 55024, 59242, 74832, 82536, 88863, 118484, 165072, 177726, 236968, 282179, 355452, 473936, 564358, 710904, 846537, 1128716, 1421808, 1693074, 2257432, 3386148, 4514864, 5361401, 6772296, 10722802, 13544592, 16084203, 21445604, 32168406, 42891208, 64336812, 85782416, 128673624, 257347248]

約数ペア:

[(1, 257347248), (2, 128673624), (3, 85782416), (4, 64336812), (6, 42891208), (8, 32168406), (12, 21445604), (16, 16084203), (19, 13544592), (24, 10722802), (38, 6772296), (48, 5361401), (57, 4514864), (76, 3386148), (114, 2257432), (152, 1693074), (181, 1421808), (228, 1128716), (304, 846537), (362, 710904), (456, 564358), (543, 473936), (724, 355452), (912, 282179), (1086, 236968), (1448, 177726), (1559, 165072), (2172, 118484), (2896, 88863), (3118, 82536), (3439, 74832), (4344, 59242), (4677, 55024), (6236, 41268), (6878, 37416), (8688, 29621), (9354, 27512), (10317, 24944), (12472, 20634), (13756, 18708)]