138670490

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{283001}}^1$

素因数の和:283022

約数の個数: 24

約数和(自身を含む): 290360052

約数和(自身を除く): 151689562

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 490, 283001, 566002, 1415005, 1981007, 2830010, 3962014, 9905035, 13867049, 19810070, 27734098, 69335245, 138670490]

約数ペア:

[(1, 138670490), (2, 69335245), (5, 27734098), (7, 19810070), (10, 13867049), (14, 9905035), (35, 3962014), (49, 2830010), (70, 1981007), (98, 1415005), (245, 566002), (490, 283001)]