211150

素因数分解:

$2^1\times 5^2\times {\mathrm{41}}^1\times {\mathrm{103}}^1$

素因数の和:156

約数の個数: 24

約数和(自身を含む): 406224

約数和(自身を除く): 195074

約数列:

[1, 2, 5, 10, 25, 41, 50, 82, 103, 205, 206, 410, 515, 1025, 1030, 2050, 2575, 4223, 5150, 8446, 21115, 42230, 105575, 211150]

約数ペア:

[(1, 211150), (2, 105575), (5, 42230), (10, 21115), (25, 8446), (41, 5150), (50, 4223), (82, 2575), (103, 2050), (205, 1030), (206, 1025), (410, 515)]