142689260

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{1019209}}^1$

素因数の和:1019225

約数の個数: 24

約数和(自身を含む): 342454560

約数和(自身を除く): 199765300

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 1019209, 2038418, 4076836, 5096045, 7134463, 10192090, 14268926, 20384180, 28537852, 35672315, 71344630, 142689260]

約数ペア:

[(1, 142689260), (2, 71344630), (4, 35672315), (5, 28537852), (7, 20384180), (10, 14268926), (14, 10192090), (20, 7134463), (28, 5096045), (35, 4076836), (70, 2038418), (140, 1019209)]