153985840

素因数分解:

$2^4\times 5^1\times {\mathrm{107}}^1\times {\mathrm{17989}}^1$

素因数の和:18109

約数の個数: 40

約数和(自身を含む): 361383120

約数和(自身を除く): 207397280

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 107, 214, 428, 535, 856, 1070, 1712, 2140, 4280, 8560, 17989, 35978, 71956, 89945, 143912, 179890, 287824, 359780, 719560, 1439120, 1924823, 3849646, 7699292, 9624115, 15398584, 19248230, 30797168, 38496460, 76992920, 153985840]

約数ペア:

[(1, 153985840), (2, 76992920), (4, 38496460), (5, 30797168), (8, 19248230), (10, 15398584), (16, 9624115), (20, 7699292), (40, 3849646), (80, 1924823), (107, 1439120), (214, 719560), (428, 359780), (535, 287824), (856, 179890), (1070, 143912), (1712, 89945), (2140, 71956), (4280, 35978), (8560, 17989)]