221486510

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{229}}^1\times {\mathrm{337}}^1$

素因数の和:621

約数の個数: 64

約数和(自身を含む): 470171520

約数和(自身を除く): 248685010

約数列:

[1, 2, 5, 7, 10, 14, 35, 41, 70, 82, 205, 229, 287, 337, 410, 458, 574, 674, 1145, 1435, 1603, 1685, 2290, 2359, 2870, 3206, 3370, 4718, 8015, 9389, 11795, 13817, 16030, 18778, 23590, 27634, 46945, 65723, 69085, 77173, 93890, 96719, 131446, 138170, 154346, 193438, 328615, 385865, 483595, 540211, 657230, 771730, 967190, 1080422, 2701055, 3164093, 5402110, 6328186, 15820465, 22148651, 31640930, 44297302, 110743255, 221486510]

約数ペア:

[(1, 221486510), (2, 110743255), (5, 44297302), (7, 31640930), (10, 22148651), (14, 15820465), (35, 6328186), (41, 5402110), (70, 3164093), (82, 2701055), (205, 1080422), (229, 967190), (287, 771730), (337, 657230), (410, 540211), (458, 483595), (574, 385865), (674, 328615), (1145, 193438), (1435, 154346), (1603, 138170), (1685, 131446), (2290, 96719), (2359, 93890), (2870, 77173), (3206, 69085), (3370, 65723), (4718, 46945), (8015, 27634), (9389, 23590), (11795, 18778), (13817, 16030)]