89439560

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{319427}}^1$

素因数の和:319445

約数の個数: 32

約数和(自身を含む): 229988160

約数和(自身を除く): 140548600

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 319427, 638854, 1277708, 1597135, 2235989, 2555416, 3194270, 4471978, 6388540, 8943956, 11179945, 12777080, 17887912, 22359890, 44719780, 89439560]

約数ペア:

[(1, 89439560), (2, 44719780), (4, 22359890), (5, 17887912), (7, 12777080), (8, 11179945), (10, 8943956), (14, 6388540), (20, 4471978), (28, 3194270), (35, 2555416), (40, 2235989), (56, 1597135), (70, 1277708), (140, 638854), (280, 319427)]