168187420

素因数分解:

$2^2\times 5^1\times {\mathrm{67}}^1\times {\mathrm{313}}^1\times {\mathrm{401}}^1$

素因数の和:790

約数の個数: 48

約数和(自身を含む): 360507168

約数和(自身を除く): 192319748

約数列:

[1, 2, 4, 5, 10, 20, 67, 134, 268, 313, 335, 401, 626, 670, 802, 1252, 1340, 1565, 1604, 2005, 3130, 4010, 6260, 8020, 20971, 26867, 41942, 53734, 83884, 104855, 107468, 125513, 134335, 209710, 251026, 268670, 419420, 502052, 537340, 627565, 1255130, 2510260, 8409371, 16818742, 33637484, 42046855, 84093710, 168187420]

約数ペア:

[(1, 168187420), (2, 84093710), (4, 42046855), (5, 33637484), (10, 16818742), (20, 8409371), (67, 2510260), (134, 1255130), (268, 627565), (313, 537340), (335, 502052), (401, 419420), (626, 268670), (670, 251026), (802, 209710), (1252, 134335), (1340, 125513), (1565, 107468), (1604, 104855), (2005, 83884), (3130, 53734), (4010, 41942), (6260, 26867), (8020, 20971)]