343194640

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{127}}^1\times {\mathrm{1987}}^1$

素因数の和:2144

約数の個数: 80

約数和(自身を含む): 851945472

約数和(自身を除く): 508750832

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 127, 136, 170, 254, 272, 340, 508, 635, 680, 1016, 1270, 1360, 1987, 2032, 2159, 2540, 3974, 4318, 5080, 7948, 8636, 9935, 10160, 10795, 15896, 17272, 19870, 21590, 31792, 33779, 34544, 39740, 43180, 67558, 79480, 86360, 135116, 158960, 168895, 172720, 252349, 270232, 337790, 504698, 540464, 675580, 1009396, 1261745, 1351160, 2018792, 2523490, 2702320, 4037584, 4289933, 5046980, 8579866, 10093960, 17159732, 20187920, 21449665, 34319464, 42899330, 68638928, 85798660, 171597320, 343194640]

約数ペア:

[(1, 343194640), (2, 171597320), (4, 85798660), (5, 68638928), (8, 42899330), (10, 34319464), (16, 21449665), (17, 20187920), (20, 17159732), (34, 10093960), (40, 8579866), (68, 5046980), (80, 4289933), (85, 4037584), (127, 2702320), (136, 2523490), (170, 2018792), (254, 1351160), (272, 1261745), (340, 1009396), (508, 675580), (635, 540464), (680, 504698), (1016, 337790), (1270, 270232), (1360, 252349), (1987, 172720), (2032, 168895), (2159, 158960), (2540, 135116), (3974, 86360), (4318, 79480), (5080, 67558), (7948, 43180), (8636, 39740), (9935, 34544), (10160, 33779), (10795, 31792), (15896, 21590), (17272, 19870)]