138489890

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{4861}}^1$

素因数の和:4923

約数の個数: 64

約数和(自身を含む): 319258368

約数和(自身を除く): 180768478

約数列:

[1, 2, 5, 7, 10, 11, 14, 22, 35, 37, 55, 70, 74, 77, 110, 154, 185, 259, 370, 385, 407, 518, 770, 814, 1295, 2035, 2590, 2849, 4070, 4861, 5698, 9722, 14245, 24305, 28490, 34027, 48610, 53471, 68054, 106942, 170135, 179857, 267355, 340270, 359714, 374297, 534710, 748594, 899285, 1258999, 1798570, 1871485, 1978427, 2517998, 3742970, 3956854, 6294995, 9892135, 12589990, 13848989, 19784270, 27697978, 69244945, 138489890]

約数ペア:

[(1, 138489890), (2, 69244945), (5, 27697978), (7, 19784270), (10, 13848989), (11, 12589990), (14, 9892135), (22, 6294995), (35, 3956854), (37, 3742970), (55, 2517998), (70, 1978427), (74, 1871485), (77, 1798570), (110, 1258999), (154, 899285), (185, 748594), (259, 534710), (370, 374297), (385, 359714), (407, 340270), (518, 267355), (770, 179857), (814, 170135), (1295, 106942), (2035, 68054), (2590, 53471), (2849, 48610), (4070, 34027), (4861, 28490), (5698, 24305), (9722, 14245)]