222393020

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{271211}}^1$

素因数の和:271261

約数の個数: 24

約数和(自身を含む): 478417968

約数和(自身を除く): 256024948

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 271211, 542422, 1084844, 1356055, 2712110, 5424220, 11119651, 22239302, 44478604, 55598255, 111196510, 222393020]

約数ペア:

[(1, 222393020), (2, 111196510), (4, 55598255), (5, 44478604), (10, 22239302), (20, 11119651), (41, 5424220), (82, 2712110), (164, 1356055), (205, 1084844), (410, 542422), (820, 271211)]