68305460

素因数分解:

$2^2\times 5^1\times {\mathrm{97}}^1\times {\mathrm{137}}^1\times {\mathrm{257}}^1$

素因数の和:500

約数の個数: 48

約数和(自身を含む): 146546064

約数和(自身を除く): 78240604

約数列:

[1, 2, 4, 5, 10, 20, 97, 137, 194, 257, 274, 388, 485, 514, 548, 685, 970, 1028, 1285, 1370, 1940, 2570, 2740, 5140, 13289, 24929, 26578, 35209, 49858, 53156, 66445, 70418, 99716, 124645, 132890, 140836, 176045, 249290, 265780, 352090, 498580, 704180, 3415273, 6830546, 13661092, 17076365, 34152730, 68305460]

約数ペア:

[(1, 68305460), (2, 34152730), (4, 17076365), (5, 13661092), (10, 6830546), (20, 3415273), (97, 704180), (137, 498580), (194, 352090), (257, 265780), (274, 249290), (388, 176045), (485, 140836), (514, 132890), (548, 124645), (685, 99716), (970, 70418), (1028, 66445), (1285, 53156), (1370, 49858), (1940, 35209), (2570, 26578), (2740, 24929), (5140, 13289)]