210890260

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{1506359}}^1$

素因数の和:1506375

約数の個数: 24

約数和(自身を含む): 506136960

約数和(自身を除く): 295246700

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 1506359, 3012718, 6025436, 7531795, 10544513, 15063590, 21089026, 30127180, 42178052, 52722565, 105445130, 210890260]

約数ペア:

[(1, 210890260), (2, 105445130), (4, 52722565), (5, 42178052), (7, 30127180), (10, 21089026), (14, 15063590), (20, 10544513), (28, 7531795), (35, 6025436), (70, 3012718), (140, 1506359)]