222780020

素因数分解:

$2^2\times 5^1\times {\mathrm{277}}^1\times {\mathrm{40213}}^1$

素因数の和:40499

約数の個数: 24

約数和(自身を含む): 469538664

約数和(自身を除く): 246758644

約数列:

[1, 2, 4, 5, 10, 20, 277, 554, 1108, 1385, 2770, 5540, 40213, 80426, 160852, 201065, 402130, 804260, 11139001, 22278002, 44556004, 55695005, 111390010, 222780020]

約数ペア:

[(1, 222780020), (2, 111390010), (4, 55695005), (5, 44556004), (10, 22278002), (20, 11139001), (277, 804260), (554, 402130), (1108, 201065), (1385, 160852), (2770, 80426), (5540, 40213)]