188801980

素因数分解:

$2^2\times 5^1\times {\mathrm{67}}^1\times {\mathrm{140897}}^1$

素因数の和:140973

約数の個数: 24

約数和(自身を含む): 402404688

約数和(自身を除く): 213602708

約数列:

[1, 2, 4, 5, 10, 20, 67, 134, 268, 335, 670, 1340, 140897, 281794, 563588, 704485, 1408970, 2817940, 9440099, 18880198, 37760396, 47200495, 94400990, 188801980]

約数ペア:

[(1, 188801980), (2, 94400990), (4, 47200495), (5, 37760396), (10, 18880198), (20, 9440099), (67, 2817940), (134, 1408970), (268, 704485), (335, 563588), (670, 281794), (1340, 140897)]