28490350

素因数分解:

$2^1\times 5^2\times 7^1\times {\mathrm{81401}}^1$

素因数の和:81420

約数の個数: 24

約数和(自身を含む): 60563088

約数和(自身を除く): 32072738

約数列:

[1, 2, 5, 7, 10, 14, 25, 35, 50, 70, 175, 350, 81401, 162802, 407005, 569807, 814010, 1139614, 2035025, 2849035, 4070050, 5698070, 14245175, 28490350]

約数ペア:

[(1, 28490350), (2, 14245175), (5, 5698070), (7, 4070050), (10, 2849035), (14, 2035025), (25, 1139614), (35, 814010), (50, 569807), (70, 407005), (175, 162802), (350, 81401)]