28564500

素因数分解:

$2^2\times 3^1\times 5^3\times {\mathrm{137}}^1\times {\mathrm{139}}^1$

素因数の和:298

約数の個数: 96

約数和(自身を含む): 84389760

約数和(自身を除く): 55825260

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 25, 30, 50, 60, 75, 100, 125, 137, 139, 150, 250, 274, 278, 300, 375, 411, 417, 500, 548, 556, 685, 695, 750, 822, 834, 1370, 1390, 1500, 1644, 1668, 2055, 2085, 2740, 2780, 3425, 3475, 4110, 4170, 6850, 6950, 8220, 8340, 10275, 10425, 13700, 13900, 17125, 17375, 19043, 20550, 20850, 34250, 34750, 38086, 41100, 41700, 51375, 52125, 57129, 68500, 69500, 76172, 95215, 102750, 104250, 114258, 190430, 205500, 208500, 228516, 285645, 380860, 476075, 571290, 952150, 1142580, 1428225, 1904300, 2380375, 2856450, 4760750, 5712900, 7141125, 9521500, 14282250, 28564500]

約数ペア:

[(1, 28564500), (2, 14282250), (3, 9521500), (4, 7141125), (5, 5712900), (6, 4760750), (10, 2856450), (12, 2380375), (15, 1904300), (20, 1428225), (25, 1142580), (30, 952150), (50, 571290), (60, 476075), (75, 380860), (100, 285645), (125, 228516), (137, 208500), (139, 205500), (150, 190430), (250, 114258), (274, 104250), (278, 102750), (300, 95215), (375, 76172), (411, 69500), (417, 68500), (500, 57129), (548, 52125), (556, 51375), (685, 41700), (695, 41100), (750, 38086), (822, 34750), (834, 34250), (1370, 20850), (1390, 20550), (1500, 19043), (1644, 17375), (1668, 17125), (2055, 13900), (2085, 13700), (2740, 10425), (2780, 10275), (3425, 8340), (3475, 8220), (4110, 6950), (4170, 6850)]