140583920

素因数分解:

$2^4\times 5^1\times {\mathrm{101}}^1\times {\mathrm{127}}^1\times {\mathrm{137}}^1$

素因数の和:378

約数の個数: 80

約数和(自身を含む): 335121408

約数和(自身を除く): 194537488

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 101, 127, 137, 202, 254, 274, 404, 505, 508, 548, 635, 685, 808, 1010, 1016, 1096, 1270, 1370, 1616, 2020, 2032, 2192, 2540, 2740, 4040, 5080, 5480, 8080, 10160, 10960, 12827, 13837, 17399, 25654, 27674, 34798, 51308, 55348, 64135, 69185, 69596, 86995, 102616, 110696, 128270, 138370, 139192, 173990, 205232, 221392, 256540, 276740, 278384, 347980, 513080, 553480, 695960, 1026160, 1106960, 1391920, 1757299, 3514598, 7029196, 8786495, 14058392, 17572990, 28116784, 35145980, 70291960, 140583920]

約数ペア:

[(1, 140583920), (2, 70291960), (4, 35145980), (5, 28116784), (8, 17572990), (10, 14058392), (16, 8786495), (20, 7029196), (40, 3514598), (80, 1757299), (101, 1391920), (127, 1106960), (137, 1026160), (202, 695960), (254, 553480), (274, 513080), (404, 347980), (505, 278384), (508, 276740), (548, 256540), (635, 221392), (685, 205232), (808, 173990), (1010, 139192), (1016, 138370), (1096, 128270), (1270, 110696), (1370, 102616), (1616, 86995), (2020, 69596), (2032, 69185), (2192, 64135), (2540, 55348), (2740, 51308), (4040, 34798), (5080, 27674), (5480, 25654), (8080, 17399), (10160, 13837), (10960, 12827)]