900913340

素因数分解:

$2^2\times 5^1\times {\mathrm{109}}^1\times {\mathrm{413263}}^1$

素因数の和:413381

約数の個数: 24

約数和(自身を含む): 1909279680

約数和(自身を除く): 1008366340

約数列:

[1, 2, 4, 5, 10, 20, 109, 218, 436, 545, 1090, 2180, 413263, 826526, 1653052, 2066315, 4132630, 8265260, 45045667, 90091334, 180182668, 225228335, 450456670, 900913340]

約数ペア:

[(1, 900913340), (2, 450456670), (4, 225228335), (5, 180182668), (10, 90091334), (20, 45045667), (109, 8265260), (218, 4132630), (436, 2066315), (545, 1653052), (1090, 826526), (2180, 413263)]