18806900

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{67}}^1\times {\mathrm{401}}^1$

素因数の和:489

約数の個数: 72

約数和(自身を含む): 47455296

約数和(自身を除く): 28648396

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 50, 67, 70, 100, 134, 140, 175, 268, 335, 350, 401, 469, 670, 700, 802, 938, 1340, 1604, 1675, 1876, 2005, 2345, 2807, 3350, 4010, 4690, 5614, 6700, 8020, 9380, 10025, 11228, 11725, 14035, 20050, 23450, 26867, 28070, 40100, 46900, 53734, 56140, 70175, 107468, 134335, 140350, 188069, 268670, 280700, 376138, 537340, 671675, 752276, 940345, 1343350, 1880690, 2686700, 3761380, 4701725, 9403450, 18806900]

約数ペア:

[(1, 18806900), (2, 9403450), (4, 4701725), (5, 3761380), (7, 2686700), (10, 1880690), (14, 1343350), (20, 940345), (25, 752276), (28, 671675), (35, 537340), (50, 376138), (67, 280700), (70, 268670), (100, 188069), (134, 140350), (140, 134335), (175, 107468), (268, 70175), (335, 56140), (350, 53734), (401, 46900), (469, 40100), (670, 28070), (700, 26867), (802, 23450), (938, 20050), (1340, 14035), (1604, 11725), (1675, 11228), (1876, 10025), (2005, 9380), (2345, 8020), (2807, 6700), (3350, 5614), (4010, 4690)]