219954260

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{578827}}^1$

素因数の和:578855

約数の個数: 24

約数和(自身を含む): 486215520

約数和(自身を除く): 266261260

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 578827, 1157654, 2315308, 2894135, 5788270, 10997713, 11576540, 21995426, 43990852, 54988565, 109977130, 219954260]

約数ペア:

[(1, 219954260), (2, 109977130), (4, 54988565), (5, 43990852), (10, 21995426), (19, 11576540), (20, 10997713), (38, 5788270), (76, 2894135), (95, 2315308), (190, 1157654), (380, 578827)]