68388490

素因数分解:

$2^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{89}}^1\times {\mathrm{1787}}^1$

素因数の和:1926

約数の個数: 32

約数和(自身を含む): 127448640

約数和(自身を除く): 59060150

約数列:

[1, 2, 5, 10, 43, 86, 89, 178, 215, 430, 445, 890, 1787, 3574, 3827, 7654, 8935, 17870, 19135, 38270, 76841, 153682, 159043, 318086, 384205, 768410, 795215, 1590430, 6838849, 13677698, 34194245, 68388490]

約数ペア:

[(1, 68388490), (2, 34194245), (5, 13677698), (10, 6838849), (43, 1590430), (86, 795215), (89, 768410), (178, 384205), (215, 318086), (430, 159043), (445, 153682), (890, 76841), (1787, 38270), (3574, 19135), (3827, 17870), (7654, 8935)]