518020440

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{353}}^1\times {\mathrm{1747}}^1$

素因数の和:2121

約数の個数: 128

約数和(自身を含む): 1782120960

約数和(自身を除く): 1264100520

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 353, 420, 706, 840, 1059, 1412, 1747, 1765, 2118, 2471, 2824, 3494, 3530, 4236, 4942, 5241, 5295, 6988, 7060, 7413, 8472, 8735, 9884, 10482, 10590, 12229, 12355, 13976, 14120, 14826, 17470, 19768, 20964, 21180, 24458, 24710, 26205, 29652, 34940, 36687, 37065, 41928, 42360, 48916, 49420, 52410, 59304, 61145, 69880, 73374, 74130, 97832, 98840, 104820, 122290, 146748, 148260, 183435, 209640, 244580, 293496, 296520, 366870, 489160, 616691, 733740, 1233382, 1467480, 1850073, 2466764, 3083455, 3700146, 4316837, 4933528, 6166910, 7400292, 8633674, 9250365, 12333820, 12950511, 14800584, 17267348, 18500730, 21584185, 24667640, 25901022, 34534696, 37001460, 43168370, 51802044, 64752555, 74002920, 86336740, 103604088, 129505110, 172673480, 259010220, 518020440]

約数ペア:

[(1, 518020440), (2, 259010220), (3, 172673480), (4, 129505110), (5, 103604088), (6, 86336740), (7, 74002920), (8, 64752555), (10, 51802044), (12, 43168370), (14, 37001460), (15, 34534696), (20, 25901022), (21, 24667640), (24, 21584185), (28, 18500730), (30, 17267348), (35, 14800584), (40, 12950511), (42, 12333820), (56, 9250365), (60, 8633674), (70, 7400292), (84, 6166910), (105, 4933528), (120, 4316837), (140, 3700146), (168, 3083455), (210, 2466764), (280, 1850073), (353, 1467480), (420, 1233382), (706, 733740), (840, 616691), (1059, 489160), (1412, 366870), (1747, 296520), (1765, 293496), (2118, 244580), (2471, 209640), (2824, 183435), (3494, 148260), (3530, 146748), (4236, 122290), (4942, 104820), (5241, 98840), (5295, 97832), (6988, 74130), (7060, 73374), (7413, 69880), (8472, 61145), (8735, 59304), (9884, 52410), (10482, 49420), (10590, 48916), (12229, 42360), (12355, 41928), (13976, 37065), (14120, 36687), (14826, 34940), (17470, 29652), (19768, 26205), (20964, 24710), (21180, 24458)]