28253000

素因数分解:

$2^3\times 5^3\times {\mathrm{19}}^1\times {\mathrm{1487}}^1$

素因数の和:1527

約数の個数: 64

約数和(自身を含む): 69638400

約数和(自身を除く): 41385400

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 25, 38, 40, 50, 76, 95, 100, 125, 152, 190, 200, 250, 380, 475, 500, 760, 950, 1000, 1487, 1900, 2375, 2974, 3800, 4750, 5948, 7435, 9500, 11896, 14870, 19000, 28253, 29740, 37175, 56506, 59480, 74350, 113012, 141265, 148700, 185875, 226024, 282530, 297400, 371750, 565060, 706325, 743500, 1130120, 1412650, 1487000, 2825300, 3531625, 5650600, 7063250, 14126500, 28253000]

約数ペア:

[(1, 28253000), (2, 14126500), (4, 7063250), (5, 5650600), (8, 3531625), (10, 2825300), (19, 1487000), (20, 1412650), (25, 1130120), (38, 743500), (40, 706325), (50, 565060), (76, 371750), (95, 297400), (100, 282530), (125, 226024), (152, 185875), (190, 148700), (200, 141265), (250, 113012), (380, 74350), (475, 59480), (500, 56506), (760, 37175), (950, 29740), (1000, 28253), (1487, 19000), (1900, 14870), (2375, 11896), (2974, 9500), (3800, 7435), (4750, 5948)]