240839248

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{911}}^1$

素因数の和:1004

約数の個数: 80

約数和(自身を含む): 531965952

約数和(自身を除く): 291126704

約数列:

[1, 2, 4, 8, 13, 16, 26, 31, 41, 52, 62, 82, 104, 124, 164, 208, 248, 328, 403, 496, 533, 656, 806, 911, 1066, 1271, 1612, 1822, 2132, 2542, 3224, 3644, 4264, 5084, 6448, 7288, 8528, 10168, 11843, 14576, 16523, 20336, 23686, 28241, 33046, 37351, 47372, 56482, 66092, 74702, 94744, 112964, 132184, 149404, 189488, 225928, 264368, 298808, 367133, 451856, 485563, 597616, 734266, 971126, 1157881, 1468532, 1942252, 2315762, 2937064, 3884504, 4631524, 5874128, 7769008, 9263048, 15052453, 18526096, 30104906, 60209812, 120419624, 240839248]

約数ペア:

[(1, 240839248), (2, 120419624), (4, 60209812), (8, 30104906), (13, 18526096), (16, 15052453), (26, 9263048), (31, 7769008), (41, 5874128), (52, 4631524), (62, 3884504), (82, 2937064), (104, 2315762), (124, 1942252), (164, 1468532), (208, 1157881), (248, 971126), (328, 734266), (403, 597616), (496, 485563), (533, 451856), (656, 367133), (806, 298808), (911, 264368), (1066, 225928), (1271, 189488), (1612, 149404), (1822, 132184), (2132, 112964), (2542, 94744), (3224, 74702), (3644, 66092), (4264, 56482), (5084, 47372), (6448, 37351), (7288, 33046), (8528, 28241), (10168, 23686), (11843, 20336), (14576, 16523)]