8920940

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{9103}}^1$

素因数の和:9126

約数の個数: 36

約数和(自身を含む): 21794976

約数和(自身を除く): 12874036

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 9103, 18206, 36412, 45515, 63721, 91030, 127442, 182060, 254884, 318605, 446047, 637210, 892094, 1274420, 1784188, 2230235, 4460470, 8920940]

約数ペア:

[(1, 8920940), (2, 4460470), (4, 2230235), (5, 1784188), (7, 1274420), (10, 892094), (14, 637210), (20, 446047), (28, 318605), (35, 254884), (49, 182060), (70, 127442), (98, 91030), (140, 63721), (196, 45515), (245, 36412), (490, 18206), (980, 9103)]