222719080

素因数分解:

$2^3\times 5^1\times {\mathrm{277}}^1\times {\mathrm{20101}}^1$

素因数の和:20389

約数の個数: 32

約数和(自身を含む): 502952040

約数和(自身を除く): 280232960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 277, 554, 1108, 1385, 2216, 2770, 5540, 11080, 20101, 40202, 80404, 100505, 160808, 201010, 402020, 804040, 5567977, 11135954, 22271908, 27839885, 44543816, 55679770, 111359540, 222719080]

約数ペア:

[(1, 222719080), (2, 111359540), (4, 55679770), (5, 44543816), (8, 27839885), (10, 22271908), (20, 11135954), (40, 5567977), (277, 804040), (554, 402020), (1108, 201010), (1385, 160808), (2216, 100505), (2770, 80404), (5540, 40202), (11080, 20101)]