28910000

素因数分解:

$2^4\times 5^4\times 7^2\times {\mathrm{59}}^1$

素因数の和:101

約数の個数: 150

約数和(自身を含む): 82801620

約数和(自身を除く): 53891620

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 35, 40, 49, 50, 56, 59, 70, 80, 98, 100, 112, 118, 125, 140, 175, 196, 200, 236, 245, 250, 280, 295, 350, 392, 400, 413, 472, 490, 500, 560, 590, 625, 700, 784, 826, 875, 944, 980, 1000, 1180, 1225, 1250, 1400, 1475, 1652, 1750, 1960, 2000, 2065, 2360, 2450, 2500, 2800, 2891, 2950, 3304, 3500, 3920, 4130, 4375, 4720, 4900, 5000, 5782, 5900, 6125, 6608, 7000, 7375, 8260, 8750, 9800, 10000, 10325, 11564, 11800, 12250, 14000, 14455, 14750, 16520, 17500, 19600, 20650, 23128, 23600, 24500, 28910, 29500, 30625, 33040, 35000, 36875, 41300, 46256, 49000, 51625, 57820, 59000, 61250, 70000, 72275, 73750, 82600, 98000, 103250, 115640, 118000, 122500, 144550, 147500, 165200, 206500, 231280, 245000, 258125, 289100, 295000, 361375, 413000, 490000, 516250, 578200, 590000, 722750, 826000, 1032500, 1156400, 1445500, 1806875, 2065000, 2891000, 3613750, 4130000, 5782000, 7227500, 14455000, 28910000]

約数ペア:

[(1, 28910000), (2, 14455000), (4, 7227500), (5, 5782000), (7, 4130000), (8, 3613750), (10, 2891000), (14, 2065000), (16, 1806875), (20, 1445500), (25, 1156400), (28, 1032500), (35, 826000), (40, 722750), (49, 590000), (50, 578200), (56, 516250), (59, 490000), (70, 413000), (80, 361375), (98, 295000), (100, 289100), (112, 258125), (118, 245000), (125, 231280), (140, 206500), (175, 165200), (196, 147500), (200, 144550), (236, 122500), (245, 118000), (250, 115640), (280, 103250), (295, 98000), (350, 82600), (392, 73750), (400, 72275), (413, 70000), (472, 61250), (490, 59000), (500, 57820), (560, 51625), (590, 49000), (625, 46256), (700, 41300), (784, 36875), (826, 35000), (875, 33040), (944, 30625), (980, 29500), (1000, 28910), (1180, 24500), (1225, 23600), (1250, 23128), (1400, 20650), (1475, 19600), (1652, 17500), (1750, 16520), (1960, 14750), (2000, 14455), (2065, 14000), (2360, 12250), (2450, 11800), (2500, 11564), (2800, 10325), (2891, 10000), (2950, 9800), (3304, 8750), (3500, 8260), (3920, 7375), (4130, 7000), (4375, 6608), (4720, 6125), (4900, 5900), (5000, 5782)]