201392780

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{529981}}^1$

素因数の和:530009

約数の個数: 24

約数和(自身を含む): 445184880

約数和(自身を除く): 243792100

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 529981, 1059962, 2119924, 2649905, 5299810, 10069639, 10599620, 20139278, 40278556, 50348195, 100696390, 201392780]

約数ペア:

[(1, 201392780), (2, 100696390), (4, 50348195), (5, 40278556), (10, 20139278), (19, 10599620), (20, 10069639), (38, 5299810), (76, 2649905), (95, 2119924), (190, 1059962), (380, 529981)]