245514255

素因数分解:

$3^1\times 5^1\times 7^4\times {\mathrm{17}}^1\times {\mathrm{401}}^1$

素因数の和:454

約数の個数: 80

約数和(自身を含む): 486432864

約数和(自身を除く): 240918609

約数列:

[1, 3, 5, 7, 15, 17, 21, 35, 49, 51, 85, 105, 119, 147, 245, 255, 343, 357, 401, 595, 735, 833, 1029, 1203, 1715, 1785, 2005, 2401, 2499, 2807, 4165, 5145, 5831, 6015, 6817, 7203, 8421, 12005, 12495, 14035, 17493, 19649, 20451, 29155, 34085, 36015, 40817, 42105, 47719, 58947, 87465, 98245, 102255, 122451, 137543, 143157, 204085, 238595, 294735, 334033, 412629, 612255, 687715, 715785, 962801, 1002099, 1670165, 2063145, 2338231, 2888403, 4814005, 5010495, 7014693, 11691155, 14442015, 16367617, 35073465, 49102851, 81838085, 245514255]

約数ペア:

[(1, 245514255), (3, 81838085), (5, 49102851), (7, 35073465), (15, 16367617), (17, 14442015), (21, 11691155), (35, 7014693), (49, 5010495), (51, 4814005), (85, 2888403), (105, 2338231), (119, 2063145), (147, 1670165), (245, 1002099), (255, 962801), (343, 715785), (357, 687715), (401, 612255), (595, 412629), (735, 334033), (833, 294735), (1029, 238595), (1203, 204085), (1715, 143157), (1785, 137543), (2005, 122451), (2401, 102255), (2499, 98245), (2807, 87465), (4165, 58947), (5145, 47719), (5831, 42105), (6015, 40817), (6817, 36015), (7203, 34085), (8421, 29155), (12005, 20451), (12495, 19649), (14035, 17493)]