30276880

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{19919}}^1$

素因数の和:19951

約数の個数: 40

約数和(自身を含む): 74102400

約数和(自身を除く): 43825520

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 760, 1520, 19919, 39838, 79676, 99595, 159352, 199190, 318704, 378461, 398380, 756922, 796760, 1513844, 1593520, 1892305, 3027688, 3784610, 6055376, 7569220, 15138440, 30276880]

約数ペア:

[(1, 30276880), (2, 15138440), (4, 7569220), (5, 6055376), (8, 3784610), (10, 3027688), (16, 1892305), (19, 1593520), (20, 1513844), (38, 796760), (40, 756922), (76, 398380), (80, 378461), (95, 318704), (152, 199190), (190, 159352), (304, 99595), (380, 79676), (760, 39838), (1520, 19919)]