2109940

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{2153}}^1$

素因数の和:2176

約数の個数: 36

約数和(自身を含む): 5156676

約数和(自身を除く): 3046736

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 2153, 4306, 8612, 10765, 15071, 21530, 30142, 43060, 60284, 75355, 105497, 150710, 210994, 301420, 421988, 527485, 1054970, 2109940]

約数ペア:

[(1, 2109940), (2, 1054970), (4, 527485), (5, 421988), (7, 301420), (10, 210994), (14, 150710), (20, 105497), (28, 75355), (35, 60284), (49, 43060), (70, 30142), (98, 21530), (140, 15071), (196, 10765), (245, 8612), (490, 4306), (980, 2153)]