2918540

素因数分解:

$2^2\times 5^1\times {\mathrm{73}}^1\times {\mathrm{1999}}^1$

素因数の和:2081

約数の個数: 24

約数和(自身を含む): 6216000

約数和(自身を除く): 3297460

約数列:

[1, 2, 4, 5, 10, 20, 73, 146, 292, 365, 730, 1460, 1999, 3998, 7996, 9995, 19990, 39980, 145927, 291854, 583708, 729635, 1459270, 2918540]

約数ペア:

[(1, 2918540), (2, 1459270), (4, 729635), (5, 583708), (10, 291854), (20, 145927), (73, 39980), (146, 19990), (292, 9995), (365, 7996), (730, 3998), (1460, 1999)]