211057140

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{502517}}^1$

素因数の和:502536

約数の個数: 48

約数和(自身を含む): 675384192

約数和(自身を除く): 464327052

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, 502517, 1005034, 1507551, 2010068, 2512585, 3015102, 3517619, 5025170, 6030204, 7035238, 7537755, 10050340, 10552857, 14070476, 15075510, 17588095, 21105714, 30151020, 35176190, 42211428, 52764285, 70352380, 105528570, 211057140]

約数ペア:

[(1, 211057140), (2, 105528570), (3, 70352380), (4, 52764285), (5, 42211428), (6, 35176190), (7, 30151020), (10, 21105714), (12, 17588095), (14, 15075510), (15, 14070476), (20, 10552857), (21, 10050340), (28, 7537755), (30, 7035238), (35, 6030204), (42, 5025170), (60, 3517619), (70, 3015102), (84, 2512585), (105, 2010068), (140, 1507551), (210, 1005034), (420, 502517)]