138530740

素因数分解:

$2^2\times 5^1\times {\mathrm{491}}^1\times {\mathrm{14107}}^1$

素因数の和:14607

約数の個数: 24

約数和(自身を含む): 291527712

約数和(自身を除く): 152996972

約数列:

[1, 2, 4, 5, 10, 20, 491, 982, 1964, 2455, 4910, 9820, 14107, 28214, 56428, 70535, 141070, 282140, 6926537, 13853074, 27706148, 34632685, 69265370, 138530740]

約数ペア:

[(1, 138530740), (2, 69265370), (4, 34632685), (5, 27706148), (10, 13853074), (20, 6926537), (491, 282140), (982, 141070), (1964, 70535), (2455, 56428), (4910, 28214), (9820, 14107)]