210004380

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{388897}}^1$

素因数の和:388915

約数の個数: 48

約数和(自身を含む): 653348640

約数和(自身を除く): 443344260

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 90, 108, 135, 180, 270, 540, 388897, 777794, 1166691, 1555588, 1944485, 2333382, 3500073, 3888970, 4666764, 5833455, 7000146, 7777940, 10500219, 11666910, 14000292, 17500365, 21000438, 23333820, 35000730, 42000876, 52501095, 70001460, 105002190, 210004380]

約数ペア:

[(1, 210004380), (2, 105002190), (3, 70001460), (4, 52501095), (5, 42000876), (6, 35000730), (9, 23333820), (10, 21000438), (12, 17500365), (15, 14000292), (18, 11666910), (20, 10500219), (27, 7777940), (30, 7000146), (36, 5833455), (45, 4666764), (54, 3888970), (60, 3500073), (90, 2333382), (108, 1944485), (135, 1555588), (180, 1166691), (270, 777794), (540, 388897)]