499421440

素因数分解:

$2^8\times 5^1\times 7^1\times {\mathrm{139}}^1\times {\mathrm{401}}^1$

素因数の和:568

約数の個数: 144

約数和(自身を含む): 1380435840

約数和(自身を除く): 881014400

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 128, 139, 140, 160, 224, 256, 278, 280, 320, 401, 448, 556, 560, 640, 695, 802, 896, 973, 1112, 1120, 1280, 1390, 1604, 1792, 1946, 2005, 2224, 2240, 2780, 2807, 3208, 3892, 4010, 4448, 4480, 4865, 5560, 5614, 6416, 7784, 8020, 8896, 8960, 9730, 11120, 11228, 12832, 14035, 15568, 16040, 17792, 19460, 22240, 22456, 25664, 28070, 31136, 32080, 35584, 38920, 44480, 44912, 51328, 55739, 56140, 62272, 64160, 77840, 88960, 89824, 102656, 111478, 112280, 124544, 128320, 155680, 177920, 179648, 222956, 224560, 249088, 256640, 278695, 311360, 359296, 390173, 445912, 449120, 513280, 557390, 622720, 718592, 780346, 891824, 898240, 1114780, 1245440, 1560692, 1783648, 1796480, 1950865, 2229560, 3121384, 3567296, 3592960, 3901730, 4459120, 6242768, 7134592, 7803460, 8918240, 12485536, 14269184, 15606920, 17836480, 24971072, 31213840, 35672960, 49942144, 62427680, 71345920, 99884288, 124855360, 249710720, 499421440]

約数ペア:

[(1, 499421440), (2, 249710720), (4, 124855360), (5, 99884288), (7, 71345920), (8, 62427680), (10, 49942144), (14, 35672960), (16, 31213840), (20, 24971072), (28, 17836480), (32, 15606920), (35, 14269184), (40, 12485536), (56, 8918240), (64, 7803460), (70, 7134592), (80, 6242768), (112, 4459120), (128, 3901730), (139, 3592960), (140, 3567296), (160, 3121384), (224, 2229560), (256, 1950865), (278, 1796480), (280, 1783648), (320, 1560692), (401, 1245440), (448, 1114780), (556, 898240), (560, 891824), (640, 780346), (695, 718592), (802, 622720), (896, 557390), (973, 513280), (1112, 449120), (1120, 445912), (1280, 390173), (1390, 359296), (1604, 311360), (1792, 278695), (1946, 256640), (2005, 249088), (2224, 224560), (2240, 222956), (2780, 179648), (2807, 177920), (3208, 155680), (3892, 128320), (4010, 124544), (4448, 112280), (4480, 111478), (4865, 102656), (5560, 89824), (5614, 88960), (6416, 77840), (7784, 64160), (8020, 62272), (8896, 56140), (8960, 55739), (9730, 51328), (11120, 44912), (11228, 44480), (12832, 38920), (14035, 35584), (15568, 32080), (16040, 31136), (17792, 28070), (19460, 25664), (22240, 22456)]