28771750

素因数分解:

$2^1\times 5^3\times 7^1\times {\mathrm{41}}^1\times {\mathrm{401}}^1$

素因数の和:466

約数の個数: 64

約数和(自身を含む): 63213696

約数和(自身を除く): 34441946

約数列:

[1, 2, 5, 7, 10, 14, 25, 35, 41, 50, 70, 82, 125, 175, 205, 250, 287, 350, 401, 410, 574, 802, 875, 1025, 1435, 1750, 2005, 2050, 2807, 2870, 4010, 5125, 5614, 7175, 10025, 10250, 14035, 14350, 16441, 20050, 28070, 32882, 35875, 50125, 70175, 71750, 82205, 100250, 115087, 140350, 164410, 230174, 350875, 411025, 575435, 701750, 822050, 1150870, 2055125, 2877175, 4110250, 5754350, 14385875, 28771750]

約数ペア:

[(1, 28771750), (2, 14385875), (5, 5754350), (7, 4110250), (10, 2877175), (14, 2055125), (25, 1150870), (35, 822050), (41, 701750), (50, 575435), (70, 411025), (82, 350875), (125, 230174), (175, 164410), (205, 140350), (250, 115087), (287, 100250), (350, 82205), (401, 71750), (410, 70175), (574, 50125), (802, 35875), (875, 32882), (1025, 28070), (1435, 20050), (1750, 16441), (2005, 14350), (2050, 14035), (2807, 10250), (2870, 10025), (4010, 7175), (5125, 5614)]