231306530

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{157}}^1\times {\mathrm{1619}}^1$

素因数の和:1803

約数の個数: 64

約数和(自身を含む): 516015360

約数和(自身を除く): 284708830

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 35, 65, 70, 91, 130, 157, 182, 314, 455, 785, 910, 1099, 1570, 1619, 2041, 2198, 3238, 4082, 5495, 8095, 10205, 10990, 11333, 14287, 16190, 20410, 21047, 22666, 28574, 42094, 56665, 71435, 105235, 113330, 142870, 147329, 210470, 254183, 294658, 508366, 736645, 1270915, 1473290, 1779281, 2541830, 3304379, 3558562, 6608758, 8896405, 16521895, 17792810, 23130653, 33043790, 46261306, 115653265, 231306530]

約数ペア:

[(1, 231306530), (2, 115653265), (5, 46261306), (7, 33043790), (10, 23130653), (13, 17792810), (14, 16521895), (26, 8896405), (35, 6608758), (65, 3558562), (70, 3304379), (91, 2541830), (130, 1779281), (157, 1473290), (182, 1270915), (314, 736645), (455, 508366), (785, 294658), (910, 254183), (1099, 210470), (1570, 147329), (1619, 142870), (2041, 113330), (2198, 105235), (3238, 71435), (4082, 56665), (5495, 42094), (8095, 28574), (10205, 22666), (10990, 21047), (11333, 20410), (14287, 16190)]