201886780

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{531281}}^1$

素因数の和:531309

約数の個数: 24

約数和(自身を含む): 446276880

約数和(自身を除く): 244390100

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 531281, 1062562, 2125124, 2656405, 5312810, 10094339, 10625620, 20188678, 40377356, 50471695, 100943390, 201886780]

約数ペア:

[(1, 201886780), (2, 100943390), (4, 50471695), (5, 40377356), (10, 20188678), (19, 10625620), (20, 10094339), (38, 5312810), (76, 2656405), (95, 2125124), (190, 1062562), (380, 531281)]