264169780

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{269561}}^1$

素因数の和:269584

約数の個数: 36

約数和(自身を含む): 645331428

約数和(自身を除く): 381161648

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 269561, 539122, 1078244, 1347805, 1886927, 2695610, 3773854, 5391220, 7547708, 9434635, 13208489, 18869270, 26416978, 37738540, 52833956, 66042445, 132084890, 264169780]

約数ペア:

[(1, 264169780), (2, 132084890), (4, 66042445), (5, 52833956), (7, 37738540), (10, 26416978), (14, 18869270), (20, 13208489), (28, 9434635), (35, 7547708), (49, 5391220), (70, 3773854), (98, 2695610), (140, 1886927), (196, 1347805), (245, 1078244), (490, 539122), (980, 269561)]