145991972

素因数分解:

$2^2\times 7^2\times {\mathrm{19}}^1\times {\mathrm{197}}^1\times {\mathrm{199}}^1$

素因数の和:433

約数の個数: 72

約数和(自身を含む): 316008000

約数和(自身を除く): 170016028

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 49, 76, 98, 133, 196, 197, 199, 266, 394, 398, 532, 788, 796, 931, 1379, 1393, 1862, 2758, 2786, 3724, 3743, 3781, 5516, 5572, 7486, 7562, 9653, 9751, 14972, 15124, 19306, 19502, 26201, 26467, 38612, 39004, 39203, 52402, 52934, 78406, 104804, 105868, 156812, 183407, 185269, 274421, 366814, 370538, 548842, 733628, 741076, 744857, 1097684, 1489714, 1920947, 2979428, 3841894, 5213999, 7683788, 10427998, 20855996, 36497993, 72995986, 145991972]

約数ペア:

[(1, 145991972), (2, 72995986), (4, 36497993), (7, 20855996), (14, 10427998), (19, 7683788), (28, 5213999), (38, 3841894), (49, 2979428), (76, 1920947), (98, 1489714), (133, 1097684), (196, 744857), (197, 741076), (199, 733628), (266, 548842), (394, 370538), (398, 366814), (532, 274421), (788, 185269), (796, 183407), (931, 156812), (1379, 105868), (1393, 104804), (1862, 78406), (2758, 52934), (2786, 52402), (3724, 39203), (3743, 39004), (3781, 38612), (5516, 26467), (5572, 26201), (7486, 19502), (7562, 19306), (9653, 15124), (9751, 14972)]