28050400

素因数分解:

$2^5\times 5^2\times 7^1\times {\mathrm{5009}}^1$

素因数の和:5036

約数の個数: 72

約数和(自身を含む): 78276240

約数和(自身を除く): 50225840

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 32, 35, 40, 50, 56, 70, 80, 100, 112, 140, 160, 175, 200, 224, 280, 350, 400, 560, 700, 800, 1120, 1400, 2800, 5009, 5600, 10018, 20036, 25045, 35063, 40072, 50090, 70126, 80144, 100180, 125225, 140252, 160288, 175315, 200360, 250450, 280504, 350630, 400720, 500900, 561008, 701260, 801440, 876575, 1001800, 1122016, 1402520, 1753150, 2003600, 2805040, 3506300, 4007200, 5610080, 7012600, 14025200, 28050400]

約数ペア:

[(1, 28050400), (2, 14025200), (4, 7012600), (5, 5610080), (7, 4007200), (8, 3506300), (10, 2805040), (14, 2003600), (16, 1753150), (20, 1402520), (25, 1122016), (28, 1001800), (32, 876575), (35, 801440), (40, 701260), (50, 561008), (56, 500900), (70, 400720), (80, 350630), (100, 280504), (112, 250450), (140, 200360), (160, 175315), (175, 160288), (200, 140252), (224, 125225), (280, 100180), (350, 80144), (400, 70126), (560, 50090), (700, 40072), (800, 35063), (1120, 25045), (1400, 20036), (2800, 10018), (5009, 5600)]