220171312

素因数分解:

$2^4\times {\mathrm{37}}^1\times {\mathrm{41}}^1\times {\mathrm{47}}^1\times {\mathrm{193}}^1$

素因数の和:326

約数の個数: 80

約数和(自身を含む): 460720512

約数和(自身を除く): 240549200

約数列:

[1, 2, 4, 8, 16, 37, 41, 47, 74, 82, 94, 148, 164, 188, 193, 296, 328, 376, 386, 592, 656, 752, 772, 1517, 1544, 1739, 1927, 3034, 3088, 3478, 3854, 6068, 6956, 7141, 7708, 7913, 9071, 12136, 13912, 14282, 15416, 15826, 18142, 24272, 27824, 28564, 30832, 31652, 36284, 57128, 63304, 71299, 72568, 114256, 126608, 142598, 145136, 285196, 292781, 335627, 371911, 570392, 585562, 671254, 743822, 1140784, 1171124, 1342508, 1487644, 2342248, 2685016, 2975288, 4684496, 5370032, 5950576, 13760707, 27521414, 55042828, 110085656, 220171312]

約数ペア:

[(1, 220171312), (2, 110085656), (4, 55042828), (8, 27521414), (16, 13760707), (37, 5950576), (41, 5370032), (47, 4684496), (74, 2975288), (82, 2685016), (94, 2342248), (148, 1487644), (164, 1342508), (188, 1171124), (193, 1140784), (296, 743822), (328, 671254), (376, 585562), (386, 570392), (592, 371911), (656, 335627), (752, 292781), (772, 285196), (1517, 145136), (1544, 142598), (1739, 126608), (1927, 114256), (3034, 72568), (3088, 71299), (3478, 63304), (3854, 57128), (6068, 36284), (6956, 31652), (7141, 30832), (7708, 28564), (7913, 27824), (9071, 24272), (12136, 18142), (13912, 15826), (14282, 15416)]