16977640

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{251}}^1$

素因数の和:370

約数の個数: 64

約数和(自身を含む): 40824000

約数和(自身を除く): 23846360

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 89, 95, 152, 178, 190, 251, 356, 380, 445, 502, 712, 760, 890, 1004, 1255, 1691, 1780, 2008, 2510, 3382, 3560, 4769, 5020, 6764, 8455, 9538, 10040, 13528, 16910, 19076, 22339, 23845, 33820, 38152, 44678, 47690, 67640, 89356, 95380, 111695, 178712, 190760, 223390, 424441, 446780, 848882, 893560, 1697764, 2122205, 3395528, 4244410, 8488820, 16977640]

約数ペア:

[(1, 16977640), (2, 8488820), (4, 4244410), (5, 3395528), (8, 2122205), (10, 1697764), (19, 893560), (20, 848882), (38, 446780), (40, 424441), (76, 223390), (89, 190760), (95, 178712), (152, 111695), (178, 95380), (190, 89356), (251, 67640), (356, 47690), (380, 44678), (445, 38152), (502, 33820), (712, 23845), (760, 22339), (890, 19076), (1004, 16910), (1255, 13528), (1691, 10040), (1780, 9538), (2008, 8455), (2510, 6764), (3382, 5020), (3560, 4769)]