31880660

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{227719}}^1$

素因数の和:227735

約数の個数: 24

約数和(自身を含む): 76513920

約数和(自身を除く): 44633260

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 227719, 455438, 910876, 1138595, 1594033, 2277190, 3188066, 4554380, 6376132, 7970165, 15940330, 31880660]

約数ペア:

[(1, 31880660), (2, 15940330), (4, 7970165), (5, 6376132), (7, 4554380), (10, 3188066), (14, 2277190), (20, 1594033), (28, 1138595), (35, 910876), (70, 455438), (140, 227719)]