72719990

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{281}}^1\times {\mathrm{3697}}^1$

素因数の和:3992

約数の個数: 32

約数和(自身を含む): 150168384

約数和(自身を除く): 77448394

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 281, 562, 1405, 1967, 2810, 3697, 3934, 7394, 9835, 18485, 19670, 25879, 36970, 51758, 129395, 258790, 1038857, 2077714, 5194285, 7271999, 10388570, 14543998, 36359995, 72719990]

約数ペア:

[(1, 72719990), (2, 36359995), (5, 14543998), (7, 10388570), (10, 7271999), (14, 5194285), (35, 2077714), (70, 1038857), (281, 258790), (562, 129395), (1405, 51758), (1967, 36970), (2810, 25879), (3697, 19670), (3934, 18485), (7394, 9835)]