28493780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{8849}}^1$

素因数の和:8888

約数の個数: 48

約数和(自身を含む): 71366400

約数和(自身を除く): 42872620

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 23, 28, 35, 46, 70, 92, 115, 140, 161, 230, 322, 460, 644, 805, 1610, 3220, 8849, 17698, 35396, 44245, 61943, 88490, 123886, 176980, 203527, 247772, 309715, 407054, 619430, 814108, 1017635, 1238860, 1424689, 2035270, 2849378, 4070540, 5698756, 7123445, 14246890, 28493780]

約数ペア:

[(1, 28493780), (2, 14246890), (4, 7123445), (5, 5698756), (7, 4070540), (10, 2849378), (14, 2035270), (20, 1424689), (23, 1238860), (28, 1017635), (35, 814108), (46, 619430), (70, 407054), (92, 309715), (115, 247772), (140, 203527), (161, 176980), (230, 123886), (322, 88490), (460, 61943), (644, 44245), (805, 35396), (1610, 17698), (3220, 8849)]