49687280

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{97}}^1\times {\mathrm{337}}^1$

素因数の和:466

約数の個数: 80

約数和(自身を含む): 123221280

約数和(自身を除く): 73534000

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 97, 152, 190, 194, 304, 337, 380, 388, 485, 674, 760, 776, 970, 1348, 1520, 1552, 1685, 1843, 1940, 2696, 3370, 3686, 3880, 5392, 6403, 6740, 7372, 7760, 9215, 12806, 13480, 14744, 18430, 25612, 26960, 29488, 32015, 32689, 36860, 51224, 64030, 65378, 73720, 102448, 128060, 130756, 147440, 163445, 256120, 261512, 326890, 512240, 523024, 621091, 653780, 1242182, 1307560, 2484364, 2615120, 3105455, 4968728, 6210910, 9937456, 12421820, 24843640, 49687280]

約数ペア:

[(1, 49687280), (2, 24843640), (4, 12421820), (5, 9937456), (8, 6210910), (10, 4968728), (16, 3105455), (19, 2615120), (20, 2484364), (38, 1307560), (40, 1242182), (76, 653780), (80, 621091), (95, 523024), (97, 512240), (152, 326890), (190, 261512), (194, 256120), (304, 163445), (337, 147440), (380, 130756), (388, 128060), (485, 102448), (674, 73720), (760, 65378), (776, 64030), (970, 51224), (1348, 36860), (1520, 32689), (1552, 32015), (1685, 29488), (1843, 26960), (1940, 25612), (2696, 18430), (3370, 14744), (3686, 13480), (3880, 12806), (5392, 9215), (6403, 7760), (6740, 7372)]