28953820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{206813}}^1$

素因数の和:206829

約数の個数: 24

約数和(自身を含む): 69489504

約数和(自身を除く): 40535684

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 206813, 413626, 827252, 1034065, 1447691, 2068130, 2895382, 4136260, 5790764, 7238455, 14476910, 28953820]

約数ペア:

[(1, 28953820), (2, 14476910), (4, 7238455), (5, 5790764), (7, 4136260), (10, 2895382), (14, 2068130), (20, 1447691), (28, 1034065), (35, 827252), (70, 413626), (140, 206813)]