210380900

素因数分解:

$2^2\times 5^2\times {\mathrm{109}}^1\times {\mathrm{19301}}^1$

素因数の和:19424

約数の個数: 36

約数和(自身を含む): 460738740

約数和(自身を除く): 250357840

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 109, 218, 436, 545, 1090, 2180, 2725, 5450, 10900, 19301, 38602, 77204, 96505, 193010, 386020, 482525, 965050, 1930100, 2103809, 4207618, 8415236, 10519045, 21038090, 42076180, 52595225, 105190450, 210380900]

約数ペア:

[(1, 210380900), (2, 105190450), (4, 52595225), (5, 42076180), (10, 21038090), (20, 10519045), (25, 8415236), (50, 4207618), (100, 2103809), (109, 1930100), (218, 965050), (436, 482525), (545, 386020), (1090, 193010), (2180, 96505), (2725, 77204), (5450, 38602), (10900, 19301)]