2845000

素因数分解:

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

素因数の和:595

約数の個数: 40

約数和(自身を含む): 6677550

約数和(自身を除く): 3832550

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 125, 200, 250, 500, 569, 625, 1000, 1138, 1250, 2276, 2500, 2845, 4552, 5000, 5690, 11380, 14225, 22760, 28450, 56900, 71125, 113800, 142250, 284500, 355625, 569000, 711250, 1422500, 2845000]

約数ペア:

[(1, 2845000), (2, 1422500), (4, 711250), (5, 569000), (8, 355625), (10, 284500), (20, 142250), (25, 113800), (40, 71125), (50, 56900), (100, 28450), (125, 22760), (200, 14225), (250, 11380), (500, 5690), (569, 5000), (625, 4552), (1000, 2845), (1138, 2500), (1250, 2276)]