262640

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{67}}^1$

素因数の和:94

約数の個数: 60

約数和(自身を含む): 720936

約数和(自身を除く): 458296

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 49, 56, 67, 70, 80, 98, 112, 134, 140, 196, 245, 268, 280, 335, 392, 469, 490, 536, 560, 670, 784, 938, 980, 1072, 1340, 1876, 1960, 2345, 2680, 3283, 3752, 3920, 4690, 5360, 6566, 7504, 9380, 13132, 16415, 18760, 26264, 32830, 37520, 52528, 65660, 131320, 262640]

約数ペア:

[(1, 262640), (2, 131320), (4, 65660), (5, 52528), (7, 37520), (8, 32830), (10, 26264), (14, 18760), (16, 16415), (20, 13132), (28, 9380), (35, 7504), (40, 6566), (49, 5360), (56, 4690), (67, 3920), (70, 3752), (80, 3283), (98, 2680), (112, 2345), (134, 1960), (140, 1876), (196, 1340), (245, 1072), (268, 980), (280, 938), (335, 784), (392, 670), (469, 560), (490, 536)]