169100

素因数分解:

$2^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{89}}^1$

素因数の和:122

約数の個数: 36

約数和(自身を含む): 390600

約数和(自身を除く): 221500

約数列:

[1, 2, 4, 5, 10, 19, 20, 25, 38, 50, 76, 89, 95, 100, 178, 190, 356, 380, 445, 475, 890, 950, 1691, 1780, 1900, 2225, 3382, 4450, 6764, 8455, 8900, 16910, 33820, 42275, 84550, 169100]

約数ペア:

[(1, 169100), (2, 84550), (4, 42275), (5, 33820), (10, 16910), (19, 8900), (20, 8455), (25, 6764), (38, 4450), (50, 3382), (76, 2225), (89, 1900), (95, 1780), (100, 1691), (178, 950), (190, 890), (356, 475), (380, 445)]