28857750

素因数分解:

$2^1\times 3^1\times 5^3\times {\mathrm{109}}^1\times {\mathrm{353}}^1$

素因数の和:482

約数の個数: 64

約数和(自身を含む): 72895680

約数和(自身を除く): 44037930

約数列:

[1, 2, 3, 5, 6, 10, 15, 25, 30, 50, 75, 109, 125, 150, 218, 250, 327, 353, 375, 545, 654, 706, 750, 1059, 1090, 1635, 1765, 2118, 2725, 3270, 3530, 5295, 5450, 8175, 8825, 10590, 13625, 16350, 17650, 26475, 27250, 38477, 40875, 44125, 52950, 76954, 81750, 88250, 115431, 132375, 192385, 230862, 264750, 384770, 577155, 961925, 1154310, 1923850, 2885775, 4809625, 5771550, 9619250, 14428875, 28857750]

約数ペア:

[(1, 28857750), (2, 14428875), (3, 9619250), (5, 5771550), (6, 4809625), (10, 2885775), (15, 1923850), (25, 1154310), (30, 961925), (50, 577155), (75, 384770), (109, 264750), (125, 230862), (150, 192385), (218, 132375), (250, 115431), (327, 88250), (353, 81750), (375, 76954), (545, 52950), (654, 44125), (706, 40875), (750, 38477), (1059, 27250), (1090, 26475), (1635, 17650), (1765, 16350), (2118, 13625), (2725, 10590), (3270, 8825), (3530, 8175), (5295, 5450)]