89857980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{499211}}^1$

素因数の和:499226

約数の個数: 36

約数和(自身を含む): 272569752

約数和(自身を除く): 182711772

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 499211, 998422, 1497633, 1996844, 2496055, 2995266, 4492899, 4992110, 5990532, 7488165, 8985798, 9984220, 14976330, 17971596, 22464495, 29952660, 44928990, 89857980]

約数ペア:

[(1, 89857980), (2, 44928990), (3, 29952660), (4, 22464495), (5, 17971596), (6, 14976330), (9, 9984220), (10, 8985798), (12, 7488165), (15, 5990532), (18, 4992110), (20, 4492899), (30, 2995266), (36, 2496055), (45, 1996844), (60, 1497633), (90, 998422), (180, 499211)]