121919560

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{435427}}^1$

素因数の和:435445

約数の個数: 32

約数和(自身を含む): 313508160

約数和(自身を除く): 191588600

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 435427, 870854, 1741708, 2177135, 3047989, 3483416, 4354270, 6095978, 8708540, 12191956, 15239945, 17417080, 24383912, 30479890, 60959780, 121919560]

約数ペア:

[(1, 121919560), (2, 60959780), (4, 30479890), (5, 24383912), (7, 17417080), (8, 15239945), (10, 12191956), (14, 8708540), (20, 6095978), (28, 4354270), (35, 3483416), (40, 3047989), (56, 2177135), (70, 1741708), (140, 870854), (280, 435427)]