219334420

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{267481}}^1$

素因数の和:267531

約数の個数: 24

約数和(自身を含む): 471838248

約数和(自身を除く): 252503828

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 267481, 534962, 1069924, 1337405, 2674810, 5349620, 10966721, 21933442, 43866884, 54833605, 109667210, 219334420]

約数ペア:

[(1, 219334420), (2, 109667210), (4, 54833605), (5, 43866884), (10, 21933442), (20, 10966721), (41, 5349620), (82, 2674810), (164, 1337405), (205, 1069924), (410, 534962), (820, 267481)]