140728

素因数分解:

$2^3\times 7^2\times {\mathrm{359}}^1$

素因数の和:379

約数の個数: 24

約数和(自身を含む): 307800

約数和(自身を除く): 167072

約数列:

[1, 2, 4, 7, 8, 14, 28, 49, 56, 98, 196, 359, 392, 718, 1436, 2513, 2872, 5026, 10052, 17591, 20104, 35182, 70364, 140728]

約数ペア:

[(1, 140728), (2, 70364), (4, 35182), (7, 20104), (8, 17591), (14, 10052), (28, 5026), (49, 2872), (56, 2513), (98, 1436), (196, 718), (359, 392)]