2798000

素因数分解:

$2^4\times 5^3\times {\mathrm{1399}}^1$

素因数の和:1422

約数の個数: 40

約数和(自身を含む): 6770400

約数和(自身を除く): 3972400

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 125, 200, 250, 400, 500, 1000, 1399, 2000, 2798, 5596, 6995, 11192, 13990, 22384, 27980, 34975, 55960, 69950, 111920, 139900, 174875, 279800, 349750, 559600, 699500, 1399000, 2798000]

約数ペア:

[(1, 2798000), (2, 1399000), (4, 699500), (5, 559600), (8, 349750), (10, 279800), (16, 174875), (20, 139900), (25, 111920), (40, 69950), (50, 55960), (80, 34975), (100, 27980), (125, 22384), (200, 13990), (250, 11192), (400, 6995), (500, 5596), (1000, 2798), (1399, 2000)]