218860000

素因数分解:

$2^5\times 5^4\times {\mathrm{31}}^1\times {\mathrm{353}}^1$

素因数の和:414

約数の個数: 120

約数和(自身を含む): 557371584

約数和(自身を除く): 338511584

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 31, 32, 40, 50, 62, 80, 100, 124, 125, 155, 160, 200, 248, 250, 310, 353, 400, 496, 500, 620, 625, 706, 775, 800, 992, 1000, 1240, 1250, 1412, 1550, 1765, 2000, 2480, 2500, 2824, 3100, 3530, 3875, 4000, 4960, 5000, 5648, 6200, 7060, 7750, 8825, 10000, 10943, 11296, 12400, 14120, 15500, 17650, 19375, 20000, 21886, 24800, 28240, 31000, 35300, 38750, 43772, 44125, 54715, 56480, 62000, 70600, 77500, 87544, 88250, 109430, 124000, 141200, 155000, 175088, 176500, 218860, 220625, 273575, 282400, 310000, 350176, 353000, 437720, 441250, 547150, 620000, 706000, 875440, 882500, 1094300, 1367875, 1412000, 1750880, 1765000, 2188600, 2735750, 3530000, 4377200, 5471500, 6839375, 7060000, 8754400, 10943000, 13678750, 21886000, 27357500, 43772000, 54715000, 109430000, 218860000]

約数ペア:

[(1, 218860000), (2, 109430000), (4, 54715000), (5, 43772000), (8, 27357500), (10, 21886000), (16, 13678750), (20, 10943000), (25, 8754400), (31, 7060000), (32, 6839375), (40, 5471500), (50, 4377200), (62, 3530000), (80, 2735750), (100, 2188600), (124, 1765000), (125, 1750880), (155, 1412000), (160, 1367875), (200, 1094300), (248, 882500), (250, 875440), (310, 706000), (353, 620000), (400, 547150), (496, 441250), (500, 437720), (620, 353000), (625, 350176), (706, 310000), (775, 282400), (800, 273575), (992, 220625), (1000, 218860), (1240, 176500), (1250, 175088), (1412, 155000), (1550, 141200), (1765, 124000), (2000, 109430), (2480, 88250), (2500, 87544), (2824, 77500), (3100, 70600), (3530, 62000), (3875, 56480), (4000, 54715), (4960, 44125), (5000, 43772), (5648, 38750), (6200, 35300), (7060, 31000), (7750, 28240), (8825, 24800), (10000, 21886), (10943, 20000), (11296, 19375), (12400, 17650), (14120, 15500)]