8220730

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{883}}^1$

素因数の和:923

約数の個数: 48

約数和(自身を含む): 18139680

約数和(自身を除く): 9918950

約数列:

[1, 2, 5, 7, 10, 14, 19, 35, 38, 49, 70, 95, 98, 133, 190, 245, 266, 490, 665, 883, 931, 1330, 1766, 1862, 4415, 4655, 6181, 8830, 9310, 12362, 16777, 30905, 33554, 43267, 61810, 83885, 86534, 117439, 167770, 216335, 234878, 432670, 587195, 822073, 1174390, 1644146, 4110365, 8220730]

約数ペア:

[(1, 8220730), (2, 4110365), (5, 1644146), (7, 1174390), (10, 822073), (14, 587195), (19, 432670), (35, 234878), (38, 216335), (49, 167770), (70, 117439), (95, 86534), (98, 83885), (133, 61810), (190, 43267), (245, 33554), (266, 30905), (490, 16777), (665, 12362), (883, 9310), (931, 8830), (1330, 6181), (1766, 4655), (1862, 4415)]