851099920

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{149}}^1\times {\mathrm{6491}}^1$

素因数の和:6664

約数の個数: 80

約数和(自身を含む): 2173521600

約数和(自身を除く): 1322421680

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 149, 176, 220, 298, 440, 596, 745, 880, 1192, 1490, 1639, 2384, 2980, 3278, 5960, 6491, 6556, 8195, 11920, 12982, 13112, 16390, 25964, 26224, 32455, 32780, 51928, 64910, 65560, 71401, 103856, 129820, 131120, 142802, 259640, 285604, 357005, 519280, 571208, 714010, 967159, 1142416, 1428020, 1934318, 2856040, 3868636, 4835795, 5712080, 7737272, 9671590, 10638749, 15474544, 19343180, 21277498, 38686360, 42554996, 53193745, 77372720, 85109992, 106387490, 170219984, 212774980, 425549960, 851099920]

約数ペア:

[(1, 851099920), (2, 425549960), (4, 212774980), (5, 170219984), (8, 106387490), (10, 85109992), (11, 77372720), (16, 53193745), (20, 42554996), (22, 38686360), (40, 21277498), (44, 19343180), (55, 15474544), (80, 10638749), (88, 9671590), (110, 7737272), (149, 5712080), (176, 4835795), (220, 3868636), (298, 2856040), (440, 1934318), (596, 1428020), (745, 1142416), (880, 967159), (1192, 714010), (1490, 571208), (1639, 519280), (2384, 357005), (2980, 285604), (3278, 259640), (5960, 142802), (6491, 131120), (6556, 129820), (8195, 103856), (11920, 71401), (12982, 65560), (13112, 64910), (16390, 51928), (25964, 32780), (26224, 32455)]