306802940

素因数分解:

$2^2\times 5^1\times {\mathrm{73}}^1\times {\mathrm{210139}}^1$

素因数の和:210221

約数の個数: 24

約数和(自身を含む): 653115120

約数和(自身を除く): 346312180

約数列:

[1, 2, 4, 5, 10, 20, 73, 146, 292, 365, 730, 1460, 210139, 420278, 840556, 1050695, 2101390, 4202780, 15340147, 30680294, 61360588, 76700735, 153401470, 306802940]

約数ペア:

[(1, 306802940), (2, 153401470), (4, 76700735), (5, 61360588), (10, 30680294), (20, 15340147), (73, 4202780), (146, 2101390), (292, 1050695), (365, 840556), (730, 420278), (1460, 210139)]