219379808

素因数分解:

$2^5\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{139}}^1$

素因数の和:260

約数の個数: 96

約数和(自身を含む): 471905280

約数和(自身を除く): 252525472

約数列:

[1, 2, 4, 8, 16, 31, 32, 37, 43, 62, 74, 86, 124, 139, 148, 172, 248, 278, 296, 344, 496, 556, 592, 688, 992, 1112, 1147, 1184, 1333, 1376, 1591, 2224, 2294, 2666, 3182, 4309, 4448, 4588, 5143, 5332, 5977, 6364, 8618, 9176, 10286, 10664, 11954, 12728, 17236, 18352, 20572, 21328, 23908, 25456, 34472, 36704, 41144, 42656, 47816, 49321, 50912, 68944, 82288, 95632, 98642, 137888, 159433, 164576, 185287, 191264, 197284, 221149, 318866, 370574, 394568, 442298, 637732, 741148, 789136, 884596, 1275464, 1482296, 1578272, 1769192, 2550928, 2964592, 3538384, 5101856, 5929184, 6855619, 7076768, 13711238, 27422476, 54844952, 109689904, 219379808]

約数ペア:

[(1, 219379808), (2, 109689904), (4, 54844952), (8, 27422476), (16, 13711238), (31, 7076768), (32, 6855619), (37, 5929184), (43, 5101856), (62, 3538384), (74, 2964592), (86, 2550928), (124, 1769192), (139, 1578272), (148, 1482296), (172, 1275464), (248, 884596), (278, 789136), (296, 741148), (344, 637732), (496, 442298), (556, 394568), (592, 370574), (688, 318866), (992, 221149), (1112, 197284), (1147, 191264), (1184, 185287), (1333, 164576), (1376, 159433), (1591, 137888), (2224, 98642), (2294, 95632), (2666, 82288), (3182, 68944), (4309, 50912), (4448, 49321), (4588, 47816), (5143, 42656), (5332, 41144), (5977, 36704), (6364, 34472), (8618, 25456), (9176, 23908), (10286, 21328), (10664, 20572), (11954, 18352), (12728, 17236)]