2471780

素因数分解:

$2^2\times 5^1\times {\mathrm{73}}^1\times {\mathrm{1693}}^1$

素因数の和:1775

約数の個数: 24

約数和(自身を含む): 5264952

約数和(自身を除く): 2793172

約数列:

[1, 2, 4, 5, 10, 20, 73, 146, 292, 365, 730, 1460, 1693, 3386, 6772, 8465, 16930, 33860, 123589, 247178, 494356, 617945, 1235890, 2471780]

約数ペア:

[(1, 2471780), (2, 1235890), (4, 617945), (5, 494356), (10, 247178), (20, 123589), (73, 33860), (146, 16930), (292, 8465), (365, 6772), (730, 3386), (1460, 1693)]