1807576220

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{1272941}}^1$

素因数の和:1273021

約数の個数: 24

約数和(自身を含む): 3849376608

約数和(自身を除く): 2041800388

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 284, 355, 710, 1420, 1272941, 2545882, 5091764, 6364705, 12729410, 25458820, 90378811, 180757622, 361515244, 451894055, 903788110, 1807576220]

約数ペア:

[(1, 1807576220), (2, 903788110), (4, 451894055), (5, 361515244), (10, 180757622), (20, 90378811), (71, 25458820), (142, 12729410), (284, 6364705), (355, 5091764), (710, 2545882), (1420, 1272941)]