42989000

素因数分解:

$2^3\times 5^3\times {\mathrm{42989}}^1$

素因数の和:43010

約数の個数: 32

約数和(自身を含む): 100596600

約数和(自身を除く): 57607600

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 125, 200, 250, 500, 1000, 42989, 85978, 171956, 214945, 343912, 429890, 859780, 1074725, 1719560, 2149450, 4298900, 5373625, 8597800, 10747250, 21494500, 42989000]

約数ペア:

[(1, 42989000), (2, 21494500), (4, 10747250), (5, 8597800), (8, 5373625), (10, 4298900), (20, 2149450), (25, 1719560), (40, 1074725), (50, 859780), (100, 429890), (125, 343912), (200, 214945), (250, 171956), (500, 85978), (1000, 42989)]