209726500

素因数分解:

$2^2\times 5^3\times {\mathrm{101}}^1\times {\mathrm{4153}}^1$

素因数の和:4273

約数の個数: 48

約数和(自身を含む): 462689136

約数和(自身を除く): 252962636

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 101, 125, 202, 250, 404, 500, 505, 1010, 2020, 2525, 4153, 5050, 8306, 10100, 12625, 16612, 20765, 25250, 41530, 50500, 83060, 103825, 207650, 415300, 419453, 519125, 838906, 1038250, 1677812, 2076500, 2097265, 4194530, 8389060, 10486325, 20972650, 41945300, 52431625, 104863250, 209726500]

約数ペア:

[(1, 209726500), (2, 104863250), (4, 52431625), (5, 41945300), (10, 20972650), (20, 10486325), (25, 8389060), (50, 4194530), (100, 2097265), (101, 2076500), (125, 1677812), (202, 1038250), (250, 838906), (404, 519125), (500, 419453), (505, 415300), (1010, 207650), (2020, 103825), (2525, 83060), (4153, 50500), (5050, 41530), (8306, 25250), (10100, 20765), (12625, 16612)]