220178375

素因数分解:

$5^3\times {\mathrm{449}}^1\times {\mathrm{3923}}^1$

素因数の和:4387

約数の個数: 16

約数和(自身を含む): 275464800

約数和(自身を除く): 55286425

約数列:

[1, 5, 25, 125, 449, 2245, 3923, 11225, 19615, 56125, 98075, 490375, 1761427, 8807135, 44035675, 220178375]

約数ペア:

[(1, 220178375), (5, 44035675), (25, 8807135), (125, 1761427), (449, 490375), (2245, 98075), (3923, 56125), (11225, 19615)]