214839520

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{67}}^1\times {\mathrm{409}}^1$

素因数の和:505

約数の個数: 144

約数和(自身を含む): 600702480

約数和(自身を除く): 385862960

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 67, 70, 80, 98, 112, 134, 140, 160, 196, 224, 245, 268, 280, 335, 392, 409, 469, 490, 536, 560, 670, 784, 818, 938, 980, 1072, 1120, 1340, 1568, 1636, 1876, 1960, 2045, 2144, 2345, 2680, 2863, 3272, 3283, 3752, 3920, 4090, 4690, 5360, 5726, 6544, 6566, 7504, 7840, 8180, 9380, 10720, 11452, 13088, 13132, 14315, 15008, 16360, 16415, 18760, 20041, 22904, 26264, 27403, 28630, 32720, 32830, 37520, 40082, 45808, 52528, 54806, 57260, 65440, 65660, 75040, 80164, 91616, 100205, 105056, 109612, 114520, 131320, 137015, 160328, 191821, 200410, 219224, 229040, 262640, 274030, 320656, 383642, 400820, 438448, 458080, 525280, 548060, 641312, 767284, 801640, 876896, 959105, 1096120, 1342747, 1534568, 1603280, 1918210, 2192240, 2685494, 3069136, 3206560, 3836420, 4384480, 5370988, 6138272, 6713735, 7672840, 10741976, 13427470, 15345680, 21483952, 26854940, 30691360, 42967904, 53709880, 107419760, 214839520]

約数ペア:

[(1, 214839520), (2, 107419760), (4, 53709880), (5, 42967904), (7, 30691360), (8, 26854940), (10, 21483952), (14, 15345680), (16, 13427470), (20, 10741976), (28, 7672840), (32, 6713735), (35, 6138272), (40, 5370988), (49, 4384480), (56, 3836420), (67, 3206560), (70, 3069136), (80, 2685494), (98, 2192240), (112, 1918210), (134, 1603280), (140, 1534568), (160, 1342747), (196, 1096120), (224, 959105), (245, 876896), (268, 801640), (280, 767284), (335, 641312), (392, 548060), (409, 525280), (469, 458080), (490, 438448), (536, 400820), (560, 383642), (670, 320656), (784, 274030), (818, 262640), (938, 229040), (980, 219224), (1072, 200410), (1120, 191821), (1340, 160328), (1568, 137015), (1636, 131320), (1876, 114520), (1960, 109612), (2045, 105056), (2144, 100205), (2345, 91616), (2680, 80164), (2863, 75040), (3272, 65660), (3283, 65440), (3752, 57260), (3920, 54806), (4090, 52528), (4690, 45808), (5360, 40082), (5726, 37520), (6544, 32830), (6566, 32720), (7504, 28630), (7840, 27403), (8180, 26264), (9380, 22904), (10720, 20041), (11452, 18760), (13088, 16415), (13132, 16360), (14315, 15008)]