280116616

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{3371}}^1$

素因数の和:3454

約数の個数: 64

約数和(自身を含む): 611815680

約数和(自身を除く): 331699064

約数列:

[1, 2, 4, 8, 13, 17, 26, 34, 47, 52, 68, 94, 104, 136, 188, 221, 376, 442, 611, 799, 884, 1222, 1598, 1768, 2444, 3196, 3371, 4888, 6392, 6742, 10387, 13484, 20774, 26968, 41548, 43823, 57307, 83096, 87646, 114614, 158437, 175292, 229228, 316874, 350584, 458456, 633748, 744991, 1267496, 1489982, 2059681, 2693429, 2979964, 4119362, 5386858, 5959928, 8238724, 10773716, 16477448, 21547432, 35014577, 70029154, 140058308, 280116616]

約数ペア:

[(1, 280116616), (2, 140058308), (4, 70029154), (8, 35014577), (13, 21547432), (17, 16477448), (26, 10773716), (34, 8238724), (47, 5959928), (52, 5386858), (68, 4119362), (94, 2979964), (104, 2693429), (136, 2059681), (188, 1489982), (221, 1267496), (376, 744991), (442, 633748), (611, 458456), (799, 350584), (884, 316874), (1222, 229228), (1598, 175292), (1768, 158437), (2444, 114614), (3196, 87646), (3371, 83096), (4888, 57307), (6392, 43823), (6742, 41548), (10387, 26968), (13484, 20774)]