2891868340

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{2036527}}^1$

素因数の和:2036607

約数の個数: 24

約数和(自身を含む): 6158460672

約数和(自身を除く): 3266592332

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 284, 355, 710, 1420, 2036527, 4073054, 8146108, 10182635, 20365270, 40730540, 144593417, 289186834, 578373668, 722967085, 1445934170, 2891868340]

約数ペア:

[(1, 2891868340), (2, 1445934170), (4, 722967085), (5, 578373668), (10, 289186834), (20, 144593417), (71, 40730540), (142, 20365270), (284, 10182635), (355, 8146108), (710, 4073054), (1420, 2036527)]