218945820

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{3649097}}^1$

素因数の和:3649109

約数の個数: 24

約数和(自身を含む): 613048464

約数和(自身を除く): 394102644

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 3649097, 7298194, 10947291, 14596388, 18245485, 21894582, 36490970, 43789164, 54736455, 72981940, 109472910, 218945820]

約数ペア:

[(1, 218945820), (2, 109472910), (3, 72981940), (4, 54736455), (5, 43789164), (6, 36490970), (10, 21894582), (12, 18245485), (15, 14596388), (20, 10947291), (30, 7298194), (60, 3649097)]