201817140

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{480517}}^1$

素因数の和:480536

約数の個数: 48

約数和(自身を含む): 645816192

約数和(自身を除く): 443999052

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, 480517, 961034, 1441551, 1922068, 2402585, 2883102, 3363619, 4805170, 5766204, 6727238, 7207755, 9610340, 10090857, 13454476, 14415510, 16818095, 20181714, 28831020, 33636190, 40363428, 50454285, 67272380, 100908570, 201817140]

約数ペア:

[(1, 201817140), (2, 100908570), (3, 67272380), (4, 50454285), (5, 40363428), (6, 33636190), (7, 28831020), (10, 20181714), (12, 16818095), (14, 14415510), (15, 13454476), (20, 10090857), (21, 9610340), (28, 7207755), (30, 6727238), (35, 5766204), (42, 4805170), (60, 3363619), (70, 2883102), (84, 2402585), (105, 1922068), (140, 1441551), (210, 961034), (420, 480517)]