208400904

素因数分解:

$2^3\times 3^3\times {\mathrm{71}}^1\times {\mathrm{107}}^1\times {\mathrm{127}}^1$

素因数の和:320

約数の個数: 128

約数和(自身を含む): 597196800

約数和(自身を除く): 388795896

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 54, 71, 72, 107, 108, 127, 142, 213, 214, 216, 254, 284, 321, 381, 426, 428, 508, 568, 639, 642, 762, 852, 856, 963, 1016, 1143, 1278, 1284, 1524, 1704, 1917, 1926, 2286, 2556, 2568, 2889, 3048, 3429, 3834, 3852, 4572, 5112, 5778, 6858, 7597, 7668, 7704, 9017, 9144, 11556, 13589, 13716, 15194, 15336, 18034, 22791, 23112, 27051, 27178, 27432, 30388, 36068, 40767, 45582, 54102, 54356, 60776, 68373, 72136, 81153, 81534, 91164, 108204, 108712, 122301, 136746, 162306, 163068, 182328, 205119, 216408, 243459, 244602, 273492, 324612, 326136, 366903, 410238, 486918, 489204, 546984, 649224, 733806, 820476, 964819, 973836, 978408, 1467612, 1640952, 1929638, 1947672, 2894457, 2935224, 3859276, 5788914, 7718552, 8683371, 11577828, 17366742, 23155656, 26050113, 34733484, 52100226, 69466968, 104200452, 208400904]

約数ペア:

[(1, 208400904), (2, 104200452), (3, 69466968), (4, 52100226), (6, 34733484), (8, 26050113), (9, 23155656), (12, 17366742), (18, 11577828), (24, 8683371), (27, 7718552), (36, 5788914), (54, 3859276), (71, 2935224), (72, 2894457), (107, 1947672), (108, 1929638), (127, 1640952), (142, 1467612), (213, 978408), (214, 973836), (216, 964819), (254, 820476), (284, 733806), (321, 649224), (381, 546984), (426, 489204), (428, 486918), (508, 410238), (568, 366903), (639, 326136), (642, 324612), (762, 273492), (852, 244602), (856, 243459), (963, 216408), (1016, 205119), (1143, 182328), (1278, 163068), (1284, 162306), (1524, 136746), (1704, 122301), (1917, 108712), (1926, 108204), (2286, 91164), (2556, 81534), (2568, 81153), (2889, 72136), (3048, 68373), (3429, 60776), (3834, 54356), (3852, 54102), (4572, 45582), (5112, 40767), (5778, 36068), (6858, 30388), (7597, 27432), (7668, 27178), (7704, 27051), (9017, 23112), (9144, 22791), (11556, 18034), (13589, 15336), (13716, 15194)]