139103620

素因数分解:

$2^2\times 5^1\times {\mathrm{109}}^1\times {\mathrm{63809}}^1$

素因数の和:63927

約数の個数: 24

約数和(自身を含む): 294802200

約数和(自身を除く): 155698580

約数列:

[1, 2, 4, 5, 10, 20, 109, 218, 436, 545, 1090, 2180, 63809, 127618, 255236, 319045, 638090, 1276180, 6955181, 13910362, 27820724, 34775905, 69551810, 139103620]

約数ペア:

[(1, 139103620), (2, 69551810), (4, 34775905), (5, 27820724), (10, 13910362), (20, 6955181), (109, 1276180), (218, 638090), (436, 319045), (545, 255236), (1090, 127618), (2180, 63809)]