166400532

素因数分解:

$2^2\times 3^2\times {\mathrm{59}}^1\times {\mathrm{157}}^1\times {\mathrm{499}}^1$

素因数の和:725

約数の個数: 72

約数和(自身を含む): 431340000

約数和(自身を除く): 264939468

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 59, 118, 157, 177, 236, 314, 354, 471, 499, 531, 628, 708, 942, 998, 1062, 1413, 1497, 1884, 1996, 2124, 2826, 2994, 4491, 5652, 5988, 8982, 9263, 17964, 18526, 27789, 29441, 37052, 55578, 58882, 78343, 83367, 88323, 111156, 117764, 156686, 166734, 176646, 235029, 264969, 313372, 333468, 353292, 470058, 529938, 705087, 940116, 1059876, 1410174, 2820348, 4622237, 9244474, 13866711, 18488948, 27733422, 41600133, 55466844, 83200266, 166400532]

約数ペア:

[(1, 166400532), (2, 83200266), (3, 55466844), (4, 41600133), (6, 27733422), (9, 18488948), (12, 13866711), (18, 9244474), (36, 4622237), (59, 2820348), (118, 1410174), (157, 1059876), (177, 940116), (236, 705087), (314, 529938), (354, 470058), (471, 353292), (499, 333468), (531, 313372), (628, 264969), (708, 235029), (942, 176646), (998, 166734), (1062, 156686), (1413, 117764), (1497, 111156), (1884, 88323), (1996, 83367), (2124, 78343), (2826, 58882), (2994, 55578), (4491, 37052), (5652, 29441), (5988, 27789), (8982, 18526), (9263, 17964)]