208069820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{263}}^1\times {\mathrm{5651}}^1$

素因数の和:5930

約数の個数: 48

約数和(自身を含む): 501355008

約数和(自身を除く): 293285188

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 263, 526, 1052, 1315, 1841, 2630, 3682, 5260, 5651, 7364, 9205, 11302, 18410, 22604, 28255, 36820, 39557, 56510, 79114, 113020, 158228, 197785, 395570, 791140, 1486213, 2972426, 5944852, 7431065, 10403491, 14862130, 20806982, 29724260, 41613964, 52017455, 104034910, 208069820]

約数ペア:

[(1, 208069820), (2, 104034910), (4, 52017455), (5, 41613964), (7, 29724260), (10, 20806982), (14, 14862130), (20, 10403491), (28, 7431065), (35, 5944852), (70, 2972426), (140, 1486213), (263, 791140), (526, 395570), (1052, 197785), (1315, 158228), (1841, 113020), (2630, 79114), (3682, 56510), (5260, 39557), (5651, 36820), (7364, 28255), (9205, 22604), (11302, 18410)]