1138000

素因数分解:

$2^4\times 5^3\times {\mathrm{569}}^1$

素因数の和:592

約数の個数: 40

約数和(自身を含む): 2756520

約数和(自身を除く): 1618520

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 125, 200, 250, 400, 500, 569, 1000, 1138, 2000, 2276, 2845, 4552, 5690, 9104, 11380, 14225, 22760, 28450, 45520, 56900, 71125, 113800, 142250, 227600, 284500, 569000, 1138000]

約数ペア:

[(1, 1138000), (2, 569000), (4, 284500), (5, 227600), (8, 142250), (10, 113800), (16, 71125), (20, 56900), (25, 45520), (40, 28450), (50, 22760), (80, 14225), (100, 11380), (125, 9104), (200, 5690), (250, 4552), (400, 2845), (500, 2276), (569, 2000), (1000, 1138)]