268710008

素因数分解:

$2^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{3557}}^1$

素因数の和:3660

約数の個数: 64

約数和(自身を含む): 614822400

約数和(自身を除く): 346112392

約数列:

[1, 2, 4, 7, 8, 14, 19, 28, 38, 56, 71, 76, 133, 142, 152, 266, 284, 497, 532, 568, 994, 1064, 1349, 1988, 2698, 3557, 3976, 5396, 7114, 9443, 10792, 14228, 18886, 24899, 28456, 37772, 49798, 67583, 75544, 99596, 135166, 199192, 252547, 270332, 473081, 505094, 540664, 946162, 1010188, 1767829, 1892324, 2020376, 3535658, 3784648, 4798393, 7071316, 9596786, 14142632, 19193572, 33588751, 38387144, 67177502, 134355004, 268710008]

約数ペア:

[(1, 268710008), (2, 134355004), (4, 67177502), (7, 38387144), (8, 33588751), (14, 19193572), (19, 14142632), (28, 9596786), (38, 7071316), (56, 4798393), (71, 3784648), (76, 3535658), (133, 2020376), (142, 1892324), (152, 1767829), (266, 1010188), (284, 946162), (497, 540664), (532, 505094), (568, 473081), (994, 270332), (1064, 252547), (1349, 199192), (1988, 135166), (2698, 99596), (3557, 75544), (3976, 67583), (5396, 49798), (7114, 37772), (9443, 28456), (10792, 24899), (14228, 18886)]