180910660

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{1292219}}^1$

素因数の和:1292235

約数の個数: 24

約数和(自身を含む): 434185920

約数和(自身を除く): 253275260

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 1292219, 2584438, 5168876, 6461095, 9045533, 12922190, 18091066, 25844380, 36182132, 45227665, 90455330, 180910660]

約数ペア:

[(1, 180910660), (2, 90455330), (4, 45227665), (5, 36182132), (7, 25844380), (10, 18091066), (14, 12922190), (20, 9045533), (28, 6461095), (35, 5168876), (70, 2584438), (140, 1292219)]