214996820

素因数分解:

$2^2\times 5^1\times {\mathrm{151}}^1\times {\mathrm{71191}}^1$

素因数の和:71351

約数の個数: 24

約数和(自身を含む): 454489728

約数和(自身を除く): 239492908

約数列:

[1, 2, 4, 5, 10, 20, 151, 302, 604, 755, 1510, 3020, 71191, 142382, 284764, 355955, 711910, 1423820, 10749841, 21499682, 42999364, 53749205, 107498410, 214996820]

約数ペア:

[(1, 214996820), (2, 107498410), (4, 53749205), (5, 42999364), (10, 21499682), (20, 10749841), (151, 1423820), (302, 711910), (604, 355955), (755, 284764), (1510, 142382), (3020, 71191)]