140544400

素因数分解:

$2^4\times 5^2\times {\mathrm{351361}}^1$

素因数の和:351379

約数の個数: 30

約数和(自身を含む): 337658882

約数和(自身を除く): 197114482

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 351361, 702722, 1405444, 1756805, 2810888, 3513610, 5621776, 7027220, 8784025, 14054440, 17568050, 28108880, 35136100, 70272200, 140544400]

約数ペア:

[(1, 140544400), (2, 70272200), (4, 35136100), (5, 28108880), (8, 17568050), (10, 14054440), (16, 8784025), (20, 7027220), (25, 5621776), (40, 3513610), (50, 2810888), (80, 1756805), (100, 1405444), (200, 702722), (400, 351361)]