131320

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{67}}^1$

素因数の和:92

約数の個数: 48

約数和(自身を含む): 348840

約数和(自身を除く): 217520

約数列:

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

約数ペア:

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