76837880

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{197}}^1\times {\mathrm{199}}^1$

素因数の和:421

約数の個数: 96

約数和(自身を含む): 203148000

約数和(自身を除く): 126310120

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 197, 199, 245, 280, 392, 394, 398, 490, 788, 796, 980, 985, 995, 1379, 1393, 1576, 1592, 1960, 1970, 1990, 2758, 2786, 3940, 3980, 5516, 5572, 6895, 6965, 7880, 7960, 9653, 9751, 11032, 11144, 13790, 13930, 19306, 19502, 27580, 27860, 38612, 39004, 39203, 48265, 48755, 55160, 55720, 77224, 78008, 78406, 96530, 97510, 156812, 193060, 195020, 196015, 274421, 313624, 386120, 390040, 392030, 548842, 784060, 1097684, 1372105, 1568120, 1920947, 2195368, 2744210, 3841894, 5488420, 7683788, 9604735, 10976840, 15367576, 19209470, 38418940, 76837880]

約数ペア:

[(1, 76837880), (2, 38418940), (4, 19209470), (5, 15367576), (7, 10976840), (8, 9604735), (10, 7683788), (14, 5488420), (20, 3841894), (28, 2744210), (35, 2195368), (40, 1920947), (49, 1568120), (56, 1372105), (70, 1097684), (98, 784060), (140, 548842), (196, 392030), (197, 390040), (199, 386120), (245, 313624), (280, 274421), (392, 196015), (394, 195020), (398, 193060), (490, 156812), (788, 97510), (796, 96530), (980, 78406), (985, 78008), (995, 77224), (1379, 55720), (1393, 55160), (1576, 48755), (1592, 48265), (1960, 39203), (1970, 39004), (1990, 38612), (2758, 27860), (2786, 27580), (3940, 19502), (3980, 19306), (5516, 13930), (5572, 13790), (6895, 11144), (6965, 11032), (7880, 9751), (7960, 9653)]