254794260

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{606653}}^1$

素因数の和:606672

約数の個数: 48

約数和(自身を含む): 815342976

約数和(自身を除く): 560548716

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 606653, 1213306, 1819959, 2426612, 3033265, 3639918, 4246571, 6066530, 7279836, 8493142, 9099795, 12133060, 12739713, 16986284, 18199590, 21232855, 25479426, 36399180, 42465710, 50958852, 63698565, 84931420, 127397130, 254794260]

約数ペア:

[(1, 254794260), (2, 127397130), (3, 84931420), (4, 63698565), (5, 50958852), (6, 42465710), (7, 36399180), (10, 25479426), (12, 21232855), (14, 18199590), (15, 16986284), (20, 12739713), (21, 12133060), (28, 9099795), (30, 8493142), (35, 7279836), (42, 6066530), (60, 4246571), (70, 3639918), (84, 3033265), (105, 2426612), (140, 1819959), (210, 1213306), (420, 606653)]