138576340

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{989831}}^1$

素因数の和:989847

約数の個数: 24

約数和(自身を含む): 332583552

約数和(自身を除く): 194007212

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 989831, 1979662, 3959324, 4949155, 6928817, 9898310, 13857634, 19796620, 27715268, 34644085, 69288170, 138576340]

約数ペア:

[(1, 138576340), (2, 69288170), (4, 34644085), (5, 27715268), (7, 19796620), (10, 13857634), (14, 9898310), (20, 6928817), (28, 4949155), (35, 3959324), (70, 1979662), (140, 989831)]