290420500

素因数分解:

$2^2\times 5^3\times {\mathrm{29}}^1\times {\mathrm{20029}}^1$

素因数の和:20077

約数の個数: 48

約数和(自身を含む): 656182800

約数和(自身を除く): 365762300

約数列:

[1, 2, 4, 5, 10, 20, 25, 29, 50, 58, 100, 116, 125, 145, 250, 290, 500, 580, 725, 1450, 2900, 3625, 7250, 14500, 20029, 40058, 80116, 100145, 200290, 400580, 500725, 580841, 1001450, 1161682, 2002900, 2323364, 2503625, 2904205, 5007250, 5808410, 10014500, 11616820, 14521025, 29042050, 58084100, 72605125, 145210250, 290420500]

約数ペア:

[(1, 290420500), (2, 145210250), (4, 72605125), (5, 58084100), (10, 29042050), (20, 14521025), (25, 11616820), (29, 10014500), (50, 5808410), (58, 5007250), (100, 2904205), (116, 2503625), (125, 2323364), (145, 2002900), (250, 1161682), (290, 1001450), (500, 580841), (580, 500725), (725, 400580), (1450, 200290), (2900, 100145), (3625, 80116), (7250, 40058), (14500, 20029)]