218212450

素因数分解:

$2^1\times 5^2\times {\mathrm{4364249}}^1$

素因数の和:4364261

約数の個数: 12

約数和(自身を含む): 405875250

約数和(自身を除く): 187662800

約数列:

[1, 2, 5, 10, 25, 50, 4364249, 8728498, 21821245, 43642490, 109106225, 218212450]

約数ペア:

[(1, 218212450), (2, 109106225), (5, 43642490), (10, 21821245), (25, 8728498), (50, 4364249)]