249774564

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^2\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{137}}^1$

素因数の和:230

約数の個数: 144

約数和(自身を含む): 678827520

約数和(自身を除く): 429052956

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 29, 31, 39, 52, 58, 62, 78, 87, 93, 116, 124, 137, 156, 169, 174, 186, 274, 338, 348, 372, 377, 403, 411, 507, 548, 676, 754, 806, 822, 899, 1014, 1131, 1209, 1508, 1612, 1644, 1781, 1798, 2028, 2262, 2418, 2697, 3562, 3596, 3973, 4247, 4524, 4836, 4901, 5239, 5343, 5394, 7124, 7946, 8494, 9802, 10478, 10686, 10788, 11687, 11919, 12741, 14703, 15717, 15892, 16988, 19604, 20956, 21372, 23153, 23374, 23838, 25482, 29406, 31434, 35061, 46306, 46748, 47676, 50964, 51649, 55211, 58812, 62868, 69459, 70122, 92612, 103298, 110422, 123163, 138918, 140244, 151931, 154947, 165633, 206596, 220844, 246326, 277836, 303862, 309894, 331266, 369489, 455793, 492652, 607724, 619788, 662532, 671437, 717743, 738978, 911586, 1342874, 1435486, 1477956, 1601119, 1823172, 2014311, 2153229, 2685748, 2870972, 3202238, 4028622, 4306458, 4803357, 6404476, 8057244, 8612916, 9606714, 19213428, 20814547, 41629094, 62443641, 83258188, 124887282, 249774564]

約数ペア:

[(1, 249774564), (2, 124887282), (3, 83258188), (4, 62443641), (6, 41629094), (12, 20814547), (13, 19213428), (26, 9606714), (29, 8612916), (31, 8057244), (39, 6404476), (52, 4803357), (58, 4306458), (62, 4028622), (78, 3202238), (87, 2870972), (93, 2685748), (116, 2153229), (124, 2014311), (137, 1823172), (156, 1601119), (169, 1477956), (174, 1435486), (186, 1342874), (274, 911586), (338, 738978), (348, 717743), (372, 671437), (377, 662532), (403, 619788), (411, 607724), (507, 492652), (548, 455793), (676, 369489), (754, 331266), (806, 309894), (822, 303862), (899, 277836), (1014, 246326), (1131, 220844), (1209, 206596), (1508, 165633), (1612, 154947), (1644, 151931), (1781, 140244), (1798, 138918), (2028, 123163), (2262, 110422), (2418, 103298), (2697, 92612), (3562, 70122), (3596, 69459), (3973, 62868), (4247, 58812), (4524, 55211), (4836, 51649), (4901, 50964), (5239, 47676), (5343, 46748), (5394, 46306), (7124, 35061), (7946, 31434), (8494, 29406), (9802, 25482), (10478, 23838), (10686, 23374), (10788, 23153), (11687, 21372), (11919, 20956), (12741, 19604), (14703, 16988), (15717, 15892)]