1399000

素因数分解:

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

素因数の和:1420

約数の個数: 32

約数和(自身を含む): 3276000

約数和(自身を除く): 1877000

約数列:

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

約数ペア:

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