210837140

素因数分解:

$2^2\times 5^1\times {\mathrm{73}}^1\times {\mathrm{144409}}^1$

素因数の和:144491

約数の個数: 24

約数和(自身を含む): 448826280

約数和(自身を除く): 237989140

約数列:

[1, 2, 4, 5, 10, 20, 73, 146, 292, 365, 730, 1460, 144409, 288818, 577636, 722045, 1444090, 2888180, 10541857, 21083714, 42167428, 52709285, 105418570, 210837140]

約数ペア:

[(1, 210837140), (2, 105418570), (4, 52709285), (5, 42167428), (10, 21083714), (20, 10541857), (73, 2888180), (146, 1444090), (292, 722045), (365, 577636), (730, 288818), (1460, 144409)]