256112890

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{62927}}^1$

素因数の和:62982

約数の個数: 32

約数和(自身を含む): 516513024

約数和(自身を除く): 260400134

約数列:

[1, 2, 5, 10, 11, 22, 37, 55, 74, 110, 185, 370, 407, 814, 2035, 4070, 62927, 125854, 314635, 629270, 692197, 1384394, 2328299, 3460985, 4656598, 6921970, 11641495, 23282990, 25611289, 51222578, 128056445, 256112890]

約数ペア:

[(1, 256112890), (2, 128056445), (5, 51222578), (10, 25611289), (11, 23282990), (22, 11641495), (37, 6921970), (55, 4656598), (74, 3460985), (110, 2328299), (185, 1384394), (370, 692197), (407, 629270), (814, 314635), (2035, 125854), (4070, 62927)]