212207900

素因数分解:

$2^2\times 5^2\times {\mathrm{2122079}}^1$

素因数の和:2122093

約数の個数: 18

約数和(自身を含む): 460491360

約数和(自身を除く): 248283460

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 2122079, 4244158, 8488316, 10610395, 21220790, 42441580, 53051975, 106103950, 212207900]

約数ペア:

[(1, 212207900), (2, 106103950), (4, 53051975), (5, 42441580), (10, 21220790), (20, 10610395), (25, 8488316), (50, 4244158), (100, 2122079)]