2782490

素因数分解:

$2^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{3919}}^1$

素因数の和:3997

約数の個数: 16

約数和(自身を含む): 5080320

約数和(自身を除く): 2297830

約数列:

[1, 2, 5, 10, 71, 142, 355, 710, 3919, 7838, 19595, 39190, 278249, 556498, 1391245, 2782490]

約数ペア:

[(1, 2782490), (2, 1391245), (5, 556498), (10, 278249), (71, 39190), (142, 19595), (355, 7838), (710, 3919)]