28934220

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{68891}}^1$

素因数の和:68910

約数の個数: 48

約数和(自身を含む): 92590848

約数和(自身を除く): 63656628

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 68891, 137782, 206673, 275564, 344455, 413346, 482237, 688910, 826692, 964474, 1033365, 1377820, 1446711, 1928948, 2066730, 2411185, 2893422, 4133460, 4822370, 5786844, 7233555, 9644740, 14467110, 28934220]

約数ペア:

[(1, 28934220), (2, 14467110), (3, 9644740), (4, 7233555), (5, 5786844), (6, 4822370), (7, 4133460), (10, 2893422), (12, 2411185), (14, 2066730), (15, 1928948), (20, 1446711), (21, 1377820), (28, 1033365), (30, 964474), (35, 826692), (42, 688910), (60, 482237), (70, 413346), (84, 344455), (105, 275564), (140, 206673), (210, 137782), (420, 68891)]