2789000

素因数分解:

$2^3\times 5^3\times {\mathrm{2789}}^1$

素因数の和:2810

約数の個数: 32

約数和(自身を含む): 6528600

約数和(自身を除く): 3739600

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 125, 200, 250, 500, 1000, 2789, 5578, 11156, 13945, 22312, 27890, 55780, 69725, 111560, 139450, 278900, 348625, 557800, 697250, 1394500, 2789000]

約数ペア:

[(1, 2789000), (2, 1394500), (4, 697250), (5, 557800), (8, 348625), (10, 278900), (20, 139450), (25, 111560), (40, 69725), (50, 55780), (100, 27890), (125, 22312), (200, 13945), (250, 11156), (500, 5578), (1000, 2789)]