429902540

素因数分解:

$2^2\times 5^1\times {\mathrm{109}}^1\times {\mathrm{197203}}^1$

素因数の和:197321

約数の個数: 24

約数和(自身を含む): 911082480

約数和(自身を除く): 481179940

約数列:

[1, 2, 4, 5, 10, 20, 109, 218, 436, 545, 1090, 2180, 197203, 394406, 788812, 986015, 1972030, 3944060, 21495127, 42990254, 85980508, 107475635, 214951270, 429902540]

約数ペア:

[(1, 429902540), (2, 214951270), (4, 107475635), (5, 85980508), (10, 42990254), (20, 21495127), (109, 3944060), (218, 1972030), (436, 986015), (545, 788812), (1090, 394406), (2180, 197203)]