51450490

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{197}}^1$

素因数の和:272

約数の個数: 96

約数和(自身を含む): 119451024

約数和(自身を除く): 68000534

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 35, 41, 49, 65, 70, 82, 91, 98, 130, 182, 197, 205, 245, 287, 394, 410, 455, 490, 533, 574, 637, 910, 985, 1066, 1274, 1379, 1435, 1970, 2009, 2561, 2665, 2758, 2870, 3185, 3731, 4018, 5122, 5330, 6370, 6895, 7462, 8077, 9653, 10045, 12805, 13790, 16154, 17927, 18655, 19306, 20090, 25610, 26117, 35854, 37310, 40385, 48265, 52234, 56539, 80770, 89635, 96530, 105001, 113078, 125489, 130585, 179270, 210002, 250978, 261170, 282695, 395773, 525005, 565390, 627445, 735007, 791546, 1050010, 1254890, 1470014, 1978865, 3675035, 3957730, 5145049, 7350070, 10290098, 25725245, 51450490]

約数ペア:

[(1, 51450490), (2, 25725245), (5, 10290098), (7, 7350070), (10, 5145049), (13, 3957730), (14, 3675035), (26, 1978865), (35, 1470014), (41, 1254890), (49, 1050010), (65, 791546), (70, 735007), (82, 627445), (91, 565390), (98, 525005), (130, 395773), (182, 282695), (197, 261170), (205, 250978), (245, 210002), (287, 179270), (394, 130585), (410, 125489), (455, 113078), (490, 105001), (533, 96530), (574, 89635), (637, 80770), (910, 56539), (985, 52234), (1066, 48265), (1274, 40385), (1379, 37310), (1435, 35854), (1970, 26117), (2009, 25610), (2561, 20090), (2665, 19306), (2758, 18655), (2870, 17927), (3185, 16154), (3731, 13790), (4018, 12805), (5122, 10045), (5330, 9653), (6370, 8077), (6895, 7462)]