220000088

素因数分解:

$2^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{18797}}^1$

素因数の和:18840

約数の個数: 64

約数和(自身を含む): 541382400

約数和(自身を除く): 321382312

約数列:

[1, 2, 4, 7, 8, 11, 14, 19, 22, 28, 38, 44, 56, 76, 77, 88, 133, 152, 154, 209, 266, 308, 418, 532, 616, 836, 1064, 1463, 1672, 2926, 5852, 11704, 18797, 37594, 75188, 131579, 150376, 206767, 263158, 357143, 413534, 526316, 714286, 827068, 1052632, 1428572, 1447369, 1654136, 2500001, 2857144, 2894738, 3928573, 5000002, 5789476, 7857146, 10000004, 11578952, 15714292, 20000008, 27500011, 31428584, 55000022, 110000044, 220000088]

約数ペア:

[(1, 220000088), (2, 110000044), (4, 55000022), (7, 31428584), (8, 27500011), (11, 20000008), (14, 15714292), (19, 11578952), (22, 10000004), (28, 7857146), (38, 5789476), (44, 5000002), (56, 3928573), (76, 2894738), (77, 2857144), (88, 2500001), (133, 1654136), (152, 1447369), (154, 1428572), (209, 1052632), (266, 827068), (308, 714286), (418, 526316), (532, 413534), (616, 357143), (836, 263158), (1064, 206767), (1463, 150376), (1672, 131579), (2926, 75188), (5852, 37594), (11704, 18797)]