219047420

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{267131}}^1$

素因数の和:267181

約数の個数: 24

約数和(自身を含む): 471220848

約数和(自身を除く): 252173428

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 267131, 534262, 1068524, 1335655, 2671310, 5342620, 10952371, 21904742, 43809484, 54761855, 109523710, 219047420]

約数ペア:

[(1, 219047420), (2, 109523710), (4, 54761855), (5, 43809484), (10, 21904742), (20, 10952371), (41, 5342620), (82, 2671310), (164, 1335655), (205, 1068524), (410, 534262), (820, 267131)]