438700

素因数分解:

$2^2\times 5^2\times {\mathrm{41}}^1\times {\mathrm{107}}^1$

素因数の和:162

約数の個数: 36

約数和(自身を含む): 984312

約数和(自身を除く): 545612

約数列:

[1, 2, 4, 5, 10, 20, 25, 41, 50, 82, 100, 107, 164, 205, 214, 410, 428, 535, 820, 1025, 1070, 2050, 2140, 2675, 4100, 4387, 5350, 8774, 10700, 17548, 21935, 43870, 87740, 109675, 219350, 438700]

約数ペア:

[(1, 438700), (2, 219350), (4, 109675), (5, 87740), (10, 43870), (20, 21935), (25, 17548), (41, 10700), (50, 8774), (82, 5350), (100, 4387), (107, 4100), (164, 2675), (205, 2140), (214, 2050), (410, 1070), (428, 1025), (535, 820)]