27946940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{199621}}^1$

素因数の和:199637

約数の個数: 24

約数和(自身を含む): 67072992

約数和(自身を除く): 39126052

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 199621, 399242, 798484, 998105, 1397347, 1996210, 2794694, 3992420, 5589388, 6986735, 13973470, 27946940]

約数ペア:

[(1, 27946940), (2, 13973470), (4, 6986735), (5, 5589388), (7, 3992420), (10, 2794694), (14, 1996210), (20, 1397347), (28, 998105), (35, 798484), (70, 399242), (140, 199621)]