202800220

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{206939}}^1$

素因数の和:206962

約数の個数: 36

約数和(自身を含む): 495414360

約数和(自身を除く): 292614140

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 206939, 413878, 827756, 1034695, 1448573, 2069390, 2897146, 4138780, 5794292, 7242865, 10140011, 14485730, 20280022, 28971460, 40560044, 50700055, 101400110, 202800220]

約数ペア:

[(1, 202800220), (2, 101400110), (4, 50700055), (5, 40560044), (7, 28971460), (10, 20280022), (14, 14485730), (20, 10140011), (28, 7242865), (35, 5794292), (49, 4138780), (70, 2897146), (98, 2069390), (140, 1448573), (196, 1034695), (245, 827756), (490, 413878), (980, 206939)]