266190820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{1901363}}^1$

素因数の和:1901379

約数の個数: 24

約数和(自身を含む): 638858304

約数和(自身を除く): 372667484

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 1901363, 3802726, 7605452, 9506815, 13309541, 19013630, 26619082, 38027260, 53238164, 66547705, 133095410, 266190820]

約数ペア:

[(1, 266190820), (2, 133095410), (4, 66547705), (5, 53238164), (7, 38027260), (10, 26619082), (14, 19013630), (20, 13309541), (28, 9506815), (35, 7605452), (70, 3802726), (140, 1901363)]