90940270

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{11131}}^1$

素因数の和:11200

約数の個数: 32

約数和(自身を含む): 176330880

約数和(自身を除く): 85390610

約数列:

[1, 2, 5, 10, 19, 38, 43, 86, 95, 190, 215, 430, 817, 1634, 4085, 8170, 11131, 22262, 55655, 111310, 211489, 422978, 478633, 957266, 1057445, 2114890, 2393165, 4786330, 9094027, 18188054, 45470135, 90940270]

約数ペア:

[(1, 90940270), (2, 45470135), (5, 18188054), (10, 9094027), (19, 4786330), (38, 2393165), (43, 2114890), (86, 1057445), (95, 957266), (190, 478633), (215, 422978), (430, 211489), (817, 111310), (1634, 55655), (4085, 22262), (8170, 11131)]