2004429400

素因数分解:

$2^3\times 5^2\times {\mathrm{71}}^1\times {\mathrm{141157}}^1$

素因数の和:141244

約数の個数: 48

約数和(自身を含む): 4725969840

約数和(自身を除く): 2721540440

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 71, 100, 142, 200, 284, 355, 568, 710, 1420, 1775, 2840, 3550, 7100, 14200, 141157, 282314, 564628, 705785, 1129256, 1411570, 2823140, 3528925, 5646280, 7057850, 10022147, 14115700, 20044294, 28231400, 40088588, 50110735, 80177176, 100221470, 200442940, 250553675, 400885880, 501107350, 1002214700, 2004429400]

約数ペア:

[(1, 2004429400), (2, 1002214700), (4, 501107350), (5, 400885880), (8, 250553675), (10, 200442940), (20, 100221470), (25, 80177176), (40, 50110735), (50, 40088588), (71, 28231400), (100, 20044294), (142, 14115700), (200, 10022147), (284, 7057850), (355, 5646280), (568, 3528925), (710, 2823140), (1420, 1411570), (1775, 1129256), (2840, 705785), (3550, 564628), (7100, 282314), (14200, 141157)]