178296020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{1273543}}^1$

素因数の和:1273559

約数の個数: 24

約数和(自身を含む): 427910784

約数和(自身を除く): 249614764

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 1273543, 2547086, 5094172, 6367715, 8914801, 12735430, 17829602, 25470860, 35659204, 44574005, 89148010, 178296020]

約数ペア:

[(1, 178296020), (2, 89148010), (4, 44574005), (5, 35659204), (7, 25470860), (10, 17829602), (14, 12735430), (20, 8914801), (28, 6367715), (35, 5094172), (70, 2547086), (140, 1273543)]