268576495

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{43}}^2\times {\mathrm{139}}^1$

素因数の和:260

約数の個数: 48

約数和(自身を含む): 381628800

約数和(自身を除く): 113052305

約数列:

[1, 5, 11, 19, 43, 55, 95, 139, 209, 215, 473, 695, 817, 1045, 1529, 1849, 2365, 2641, 4085, 5977, 7645, 8987, 9245, 13205, 20339, 29051, 29885, 35131, 44935, 65747, 101695, 113563, 145255, 175655, 257011, 328735, 386441, 567815, 1249193, 1285055, 1932205, 2827121, 4883209, 6245965, 14135605, 24416045, 53715299, 268576495]

約数ペア:

[(1, 268576495), (5, 53715299), (11, 24416045), (19, 14135605), (43, 6245965), (55, 4883209), (95, 2827121), (139, 1932205), (209, 1285055), (215, 1249193), (473, 567815), (695, 386441), (817, 328735), (1045, 257011), (1529, 175655), (1849, 145255), (2365, 113563), (2641, 101695), (4085, 65747), (5977, 44935), (7645, 35131), (8987, 29885), (9245, 29051), (13205, 20339)]