210979700

素因数分解:

$2^2\times 5^2\times {\mathrm{2109797}}^1$

素因数の和:2109811

約数の個数: 18

約数和(自身を含む): 457826166

約数和(自身を除く): 246846466

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 2109797, 4219594, 8439188, 10548985, 21097970, 42195940, 52744925, 105489850, 210979700]

約数ペア:

[(1, 210979700), (2, 105489850), (4, 52744925), (5, 42195940), (10, 21097970), (20, 10548985), (25, 8439188), (50, 4219594), (100, 2109797)]