139498010

素因数分解:

$2^1\times 5^1\times {\mathrm{491}}^1\times {\mathrm{28411}}^1$

素因数の和:28909

約数の個数: 16

約数和(自身を含む): 251616672

約数和(自身を除く): 112118662

約数列:

[1, 2, 5, 10, 491, 982, 2455, 4910, 28411, 56822, 142055, 284110, 13949801, 27899602, 69749005, 139498010]

約数ペア:

[(1, 139498010), (2, 69749005), (5, 27899602), (10, 13949801), (491, 284110), (982, 142055), (2455, 56822), (4910, 28411)]