214978100

素因数分解:

$2^2\times 5^2\times {\mathrm{2149781}}^1$

素因数の和:2149795

約数の個数: 18

約数和(自身を含む): 466502694

約数和(自身を除く): 251524594

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 2149781, 4299562, 8599124, 10748905, 21497810, 42995620, 53744525, 107489050, 214978100]

約数ペア:

[(1, 214978100), (2, 107489050), (4, 53744525), (5, 42995620), (10, 21497810), (20, 10748905), (25, 8599124), (50, 4299562), (100, 2149781)]