489323800

素因数分解:

$2^3\times 5^2\times 7^4\times {\mathrm{1019}}^1$

素因数の和:1063

約数の個数: 120

約数和(自身を含む): 1328514300

約数和(自身を除く): 839190500

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 25, 28, 35, 40, 49, 50, 56, 70, 98, 100, 140, 175, 196, 200, 245, 280, 343, 350, 392, 490, 686, 700, 980, 1019, 1225, 1372, 1400, 1715, 1960, 2038, 2401, 2450, 2744, 3430, 4076, 4802, 4900, 5095, 6860, 7133, 8152, 8575, 9604, 9800, 10190, 12005, 13720, 14266, 17150, 19208, 20380, 24010, 25475, 28532, 34300, 35665, 40760, 48020, 49931, 50950, 57064, 60025, 68600, 71330, 96040, 99862, 101900, 120050, 142660, 178325, 199724, 203800, 240100, 249655, 285320, 349517, 356650, 399448, 480200, 499310, 699034, 713300, 998620, 1248275, 1398068, 1426600, 1747585, 1997240, 2446619, 2496550, 2796136, 3495170, 4893238, 4993100, 6990340, 8737925, 9786476, 9986200, 12233095, 13980680, 17475850, 19572952, 24466190, 34951700, 48932380, 61165475, 69903400, 97864760, 122330950, 244661900, 489323800]

約数ペア:

[(1, 489323800), (2, 244661900), (4, 122330950), (5, 97864760), (7, 69903400), (8, 61165475), (10, 48932380), (14, 34951700), (20, 24466190), (25, 19572952), (28, 17475850), (35, 13980680), (40, 12233095), (49, 9986200), (50, 9786476), (56, 8737925), (70, 6990340), (98, 4993100), (100, 4893238), (140, 3495170), (175, 2796136), (196, 2496550), (200, 2446619), (245, 1997240), (280, 1747585), (343, 1426600), (350, 1398068), (392, 1248275), (490, 998620), (686, 713300), (700, 699034), (980, 499310), (1019, 480200), (1225, 399448), (1372, 356650), (1400, 349517), (1715, 285320), (1960, 249655), (2038, 240100), (2401, 203800), (2450, 199724), (2744, 178325), (3430, 142660), (4076, 120050), (4802, 101900), (4900, 99862), (5095, 96040), (6860, 71330), (7133, 68600), (8152, 60025), (8575, 57064), (9604, 50950), (9800, 49931), (10190, 48020), (12005, 40760), (13720, 35665), (14266, 34300), (17150, 28532), (19208, 25475), (20380, 24010)]