140620004

素因数分解:

$2^2\times 7^2\times {\mathrm{717449}}^1$

素因数の和:717467

約数の個数: 18

約数和(自身を含む): 286262550

約数和(自身を除く): 145642546

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 717449, 1434898, 2869796, 5022143, 10044286, 20088572, 35155001, 70310002, 140620004]

約数ペア:

[(1, 140620004), (2, 70310002), (4, 35155001), (7, 20088572), (14, 10044286), (28, 5022143), (49, 2869796), (98, 1434898), (196, 717449)]