28332500

素因数分解:

$2^2\times 5^4\times 7^1\times {\mathrm{1619}}^1$

素因数の和:1650

約数の個数: 60

約数和(自身を含む): 70852320

約数和(自身を除く): 42519820

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 50, 70, 100, 125, 140, 175, 250, 350, 500, 625, 700, 875, 1250, 1619, 1750, 2500, 3238, 3500, 4375, 6476, 8095, 8750, 11333, 16190, 17500, 22666, 32380, 40475, 45332, 56665, 80950, 113330, 161900, 202375, 226660, 283325, 404750, 566650, 809500, 1011875, 1133300, 1416625, 2023750, 2833250, 4047500, 5666500, 7083125, 14166250, 28332500]

約数ペア:

[(1, 28332500), (2, 14166250), (4, 7083125), (5, 5666500), (7, 4047500), (10, 2833250), (14, 2023750), (20, 1416625), (25, 1133300), (28, 1011875), (35, 809500), (50, 566650), (70, 404750), (100, 283325), (125, 226660), (140, 202375), (175, 161900), (250, 113330), (350, 80950), (500, 56665), (625, 45332), (700, 40475), (875, 32380), (1250, 22666), (1619, 17500), (1750, 16190), (2500, 11333), (3238, 8750), (3500, 8095), (4375, 6476)]