2002064260

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{139}}^1\times {\mathrm{102881}}^1$

素因数の和:103036

約数の個数: 48

約数和(自身を含む): 4839569280

約数和(自身を除く): 2837505020

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 139, 140, 278, 556, 695, 973, 1390, 1946, 2780, 3892, 4865, 9730, 19460, 102881, 205762, 411524, 514405, 720167, 1028810, 1440334, 2057620, 2880668, 3600835, 7201670, 14300459, 14403340, 28600918, 57201836, 71502295, 100103213, 143004590, 200206426, 286009180, 400412852, 500516065, 1001032130, 2002064260]

約数ペア:

[(1, 2002064260), (2, 1001032130), (4, 500516065), (5, 400412852), (7, 286009180), (10, 200206426), (14, 143004590), (20, 100103213), (28, 71502295), (35, 57201836), (70, 28600918), (139, 14403340), (140, 14300459), (278, 7201670), (556, 3600835), (695, 2880668), (973, 2057620), (1390, 1440334), (1946, 1028810), (2780, 720167), (3892, 514405), (4865, 411524), (9730, 205762), (19460, 102881)]