256694690

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{41203}}^1$

素因数の和:41306

約数の個数: 32

約数和(自身を含む): 534003840

約数和(自身を除く): 277309150

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 89, 178, 445, 623, 890, 1246, 3115, 6230, 41203, 82406, 206015, 288421, 412030, 576842, 1442105, 2884210, 3667067, 7334134, 18335335, 25669469, 36670670, 51338938, 128347345, 256694690]

約数ペア:

[(1, 256694690), (2, 128347345), (5, 51338938), (7, 36670670), (10, 25669469), (14, 18335335), (35, 7334134), (70, 3667067), (89, 2884210), (178, 1442105), (445, 576842), (623, 412030), (890, 288421), (1246, 206015), (3115, 82406), (6230, 41203)]