890243030

素因数分解:

$2^1\times 5^1\times {\mathrm{73}}^1\times {\mathrm{857}}^1\times {\mathrm{1423}}^1$

素因数の和:2360

約数の個数: 32

約数和(自身を含む): 1627426944

約数和(自身を除く): 737183914

約数列:

[1, 2, 5, 10, 73, 146, 365, 730, 857, 1423, 1714, 2846, 4285, 7115, 8570, 14230, 62561, 103879, 125122, 207758, 312805, 519395, 625610, 1038790, 1219511, 2439022, 6097555, 12195110, 89024303, 178048606, 445121515, 890243030]

約数ペア:

[(1, 890243030), (2, 445121515), (5, 178048606), (10, 89024303), (73, 12195110), (146, 6097555), (365, 2439022), (730, 1219511), (857, 1038790), (1423, 625610), (1714, 519395), (2846, 312805), (4285, 207758), (7115, 125122), (8570, 103879), (14230, 62561)]