1080940

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{1103}}^1$

素因数の和:1126

約数の個数: 36

約数和(自身を含む): 2642976

約数和(自身を除く): 1562036

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 1103, 2206, 4412, 5515, 7721, 11030, 15442, 22060, 30884, 38605, 54047, 77210, 108094, 154420, 216188, 270235, 540470, 1080940]

約数ペア:

[(1, 1080940), (2, 540470), (4, 270235), (5, 216188), (7, 154420), (10, 108094), (14, 77210), (20, 54047), (28, 38605), (35, 30884), (49, 22060), (70, 15442), (98, 11030), (140, 7721), (196, 5515), (245, 4412), (490, 2206), (980, 1103)]