248442340

素因数分解:

$2^2\times 5^1\times {\mathrm{643}}^1\times {\mathrm{19319}}^1$

素因数の和:19971

約数の個数: 24

約数和(自身を含む): 522567360

約数和(自身を除く): 274125020

約数列:

[1, 2, 4, 5, 10, 20, 643, 1286, 2572, 3215, 6430, 12860, 19319, 38638, 77276, 96595, 193190, 386380, 12422117, 24844234, 49688468, 62110585, 124221170, 248442340]

約数ペア:

[(1, 248442340), (2, 124221170), (4, 62110585), (5, 49688468), (10, 24844234), (20, 12422117), (643, 386380), (1286, 193190), (2572, 96595), (3215, 77276), (6430, 38638), (12860, 19319)]