1085840

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{277}}^1$

素因数の和:304

約数の個数: 60

約数和(自身を含む): 2947356

約数和(自身を除く): 1861516

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 49, 56, 70, 80, 98, 112, 140, 196, 245, 277, 280, 392, 490, 554, 560, 784, 980, 1108, 1385, 1939, 1960, 2216, 2770, 3878, 3920, 4432, 5540, 7756, 9695, 11080, 13573, 15512, 19390, 22160, 27146, 31024, 38780, 54292, 67865, 77560, 108584, 135730, 155120, 217168, 271460, 542920, 1085840]

約数ペア:

[(1, 1085840), (2, 542920), (4, 271460), (5, 217168), (7, 155120), (8, 135730), (10, 108584), (14, 77560), (16, 67865), (20, 54292), (28, 38780), (35, 31024), (40, 27146), (49, 22160), (56, 19390), (70, 15512), (80, 13573), (98, 11080), (112, 9695), (140, 7756), (196, 5540), (245, 4432), (277, 3920), (280, 3878), (392, 2770), (490, 2216), (554, 1960), (560, 1939), (784, 1385), (980, 1108)]