381400

素因数分解:

$2^3\times 5^2\times {\mathrm{1907}}^1$

素因数の和:1923

約数の個数: 24

約数和(自身を含む): 887220

約数和(自身を除く): 505820

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 200, 1907, 3814, 7628, 9535, 15256, 19070, 38140, 47675, 76280, 95350, 190700, 381400]

約数ペア:

[(1, 381400), (2, 190700), (4, 95350), (5, 76280), (8, 47675), (10, 38140), (20, 19070), (25, 15256), (40, 9535), (50, 7628), (100, 3814), (200, 1907)]