2663500

素因数分解:

$2^2\times 5^3\times 7^1\times {\mathrm{761}}^1$

素因数の和:787

約数の個数: 48

約数和(自身を含む): 6656832

約数和(自身を除く): 3993332

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 50, 70, 100, 125, 140, 175, 250, 350, 500, 700, 761, 875, 1522, 1750, 3044, 3500, 3805, 5327, 7610, 10654, 15220, 19025, 21308, 26635, 38050, 53270, 76100, 95125, 106540, 133175, 190250, 266350, 380500, 532700, 665875, 1331750, 2663500]

約数ペア:

[(1, 2663500), (2, 1331750), (4, 665875), (5, 532700), (7, 380500), (10, 266350), (14, 190250), (20, 133175), (25, 106540), (28, 95125), (35, 76100), (50, 53270), (70, 38050), (100, 26635), (125, 21308), (140, 19025), (175, 15220), (250, 10654), (350, 7610), (500, 5327), (700, 3805), (761, 3500), (875, 3044), (1522, 1750)]