2019478000

素因数分解:

$2^4\times 5^3\times {\mathrm{179}}^1\times {\mathrm{5641}}^1$

素因数の和:5843

約数の個数: 80

約数和(自身を含む): 4911248160

約数和(自身を除く): 2891770160

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 125, 179, 200, 250, 358, 400, 500, 716, 895, 1000, 1432, 1790, 2000, 2864, 3580, 4475, 5641, 7160, 8950, 11282, 14320, 17900, 22375, 22564, 28205, 35800, 44750, 45128, 56410, 71600, 89500, 90256, 112820, 141025, 179000, 225640, 282050, 358000, 451280, 564100, 705125, 1009739, 1128200, 1410250, 2019478, 2256400, 2820500, 4038956, 5048695, 5641000, 8077912, 10097390, 11282000, 16155824, 20194780, 25243475, 40389560, 50486950, 80779120, 100973900, 126217375, 201947800, 252434750, 403895600, 504869500, 1009739000, 2019478000]

約数ペア:

[(1, 2019478000), (2, 1009739000), (4, 504869500), (5, 403895600), (8, 252434750), (10, 201947800), (16, 126217375), (20, 100973900), (25, 80779120), (40, 50486950), (50, 40389560), (80, 25243475), (100, 20194780), (125, 16155824), (179, 11282000), (200, 10097390), (250, 8077912), (358, 5641000), (400, 5048695), (500, 4038956), (716, 2820500), (895, 2256400), (1000, 2019478), (1432, 1410250), (1790, 1128200), (2000, 1009739), (2864, 705125), (3580, 564100), (4475, 451280), (5641, 358000), (7160, 282050), (8950, 225640), (11282, 179000), (14320, 141025), (17900, 112820), (22375, 90256), (22564, 89500), (28205, 71600), (35800, 56410), (44750, 45128)]