89719900

素因数分解:

$2^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{47221}}^1$

素因数の和:47254

約数の個数: 36

約数和(自身を含む): 204943480

約数和(自身を除く): 115223580

約数列:

[1, 2, 4, 5, 10, 19, 20, 25, 38, 50, 76, 95, 100, 190, 380, 475, 950, 1900, 47221, 94442, 188884, 236105, 472210, 897199, 944420, 1180525, 1794398, 2361050, 3588796, 4485995, 4722100, 8971990, 17943980, 22429975, 44859950, 89719900]

約数ペア:

[(1, 89719900), (2, 44859950), (4, 22429975), (5, 17943980), (10, 8971990), (19, 4722100), (20, 4485995), (25, 3588796), (38, 2361050), (50, 1794398), (76, 1180525), (95, 944420), (100, 897199), (190, 472210), (380, 236105), (475, 188884), (950, 94442), (1900, 47221)]