1310974780

素因数分解:

$2^2\times 5^1\times {\mathrm{487}}^1\times {\mathrm{134597}}^1$

素因数の和:135093

約数の個数: 24

約数和(自身を含む): 2758720608

約数和(自身を除く): 1447745828

約数列:

[1, 2, 4, 5, 10, 20, 487, 974, 1948, 2435, 4870, 9740, 134597, 269194, 538388, 672985, 1345970, 2691940, 65548739, 131097478, 262194956, 327743695, 655487390, 1310974780]

約数ペア:

[(1, 1310974780), (2, 655487390), (4, 327743695), (5, 262194956), (10, 131097478), (20, 65548739), (487, 2691940), (974, 1345970), (1948, 672985), (2435, 538388), (4870, 269194), (9740, 134597)]