251679890

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{17203}}^1$

素因数の和:17247

約数の個数: 64

約数和(自身を含む): 594570240

約数和(自身を除く): 342890350

約数列:

[1, 2, 5, 7, 10, 11, 14, 19, 22, 35, 38, 55, 70, 77, 95, 110, 133, 154, 190, 209, 266, 385, 418, 665, 770, 1045, 1330, 1463, 2090, 2926, 7315, 14630, 17203, 34406, 86015, 120421, 172030, 189233, 240842, 326857, 378466, 602105, 653714, 946165, 1204210, 1324631, 1634285, 1892330, 2287999, 2649262, 3268570, 3595427, 4575998, 6623155, 7190854, 11439995, 13246310, 17977135, 22879990, 25167989, 35954270, 50335978, 125839945, 251679890]

約数ペア:

[(1, 251679890), (2, 125839945), (5, 50335978), (7, 35954270), (10, 25167989), (11, 22879990), (14, 17977135), (19, 13246310), (22, 11439995), (35, 7190854), (38, 6623155), (55, 4575998), (70, 3595427), (77, 3268570), (95, 2649262), (110, 2287999), (133, 1892330), (154, 1634285), (190, 1324631), (209, 1204210), (266, 946165), (385, 653714), (418, 602105), (665, 378466), (770, 326857), (1045, 240842), (1330, 189233), (1463, 172030), (2090, 120421), (2926, 86015), (7315, 34406), (14630, 17203)]