168253940

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{139}}^1\times {\mathrm{2087}}^1$

素因数の和:2264

約数の個数: 48

約数和(自身を含む): 368323200

約数和(自身を除く): 200069260

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 139, 145, 278, 290, 556, 580, 695, 1390, 2087, 2780, 4031, 4174, 8062, 8348, 10435, 16124, 20155, 20870, 40310, 41740, 60523, 80620, 121046, 242092, 290093, 302615, 580186, 605230, 1160372, 1210460, 1450465, 2900930, 5801860, 8412697, 16825394, 33650788, 42063485, 84126970, 168253940]

約数ペア:

[(1, 168253940), (2, 84126970), (4, 42063485), (5, 33650788), (10, 16825394), (20, 8412697), (29, 5801860), (58, 2900930), (116, 1450465), (139, 1210460), (145, 1160372), (278, 605230), (290, 580186), (556, 302615), (580, 290093), (695, 242092), (1390, 121046), (2087, 80620), (2780, 60523), (4031, 41740), (4174, 40310), (8062, 20870), (8348, 20155), (10435, 16124)]