280320070

素因数分解:

$2^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{394817}}^1$

素因数の和:394895

約数の個数: 16

約数和(自身を含む): 511684128

約数和(自身を除く): 231364058

約数列:

[1, 2, 5, 10, 71, 142, 355, 710, 394817, 789634, 1974085, 3948170, 28032007, 56064014, 140160035, 280320070]

約数ペア:

[(1, 280320070), (2, 140160035), (5, 56064014), (10, 28032007), (71, 3948170), (142, 1974085), (355, 789634), (710, 394817)]