286924420

素因数分解:

$2^2\times 5^1\times {\mathrm{641}}^1\times {\mathrm{22381}}^1$

素因数の和:23031

約数の個数: 24

約数和(自身を含む): 603508248

約数和(自身を除く): 316583828

約数列:

[1, 2, 4, 5, 10, 20, 641, 1282, 2564, 3205, 6410, 12820, 22381, 44762, 89524, 111905, 223810, 447620, 14346221, 28692442, 57384884, 71731105, 143462210, 286924420]

約数ペア:

[(1, 286924420), (2, 143462210), (4, 71731105), (5, 57384884), (10, 28692442), (20, 14346221), (641, 447620), (1282, 223810), (2564, 111905), (3205, 89524), (6410, 44762), (12820, 22381)]