209150

素因数分解:

$2^1\times 5^2\times {\mathrm{47}}^1\times {\mathrm{89}}^1$

素因数の和:148

約数の個数: 24

約数和(自身を含む): 401760

約数和(自身を除く): 192610

約数列:

[1, 2, 5, 10, 25, 47, 50, 89, 94, 178, 235, 445, 470, 890, 1175, 2225, 2350, 4183, 4450, 8366, 20915, 41830, 104575, 209150]

約数ペア:

[(1, 209150), (2, 104575), (5, 41830), (10, 20915), (25, 8366), (47, 4450), (50, 4183), (89, 2350), (94, 2225), (178, 1175), (235, 890), (445, 470)]