28715260

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{443}}^1\times {\mathrm{463}}^1$

素因数の和:922

約数の個数: 48

約数和(自身を含む): 69221376

約数和(自身を除く): 40506116

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 443, 463, 886, 926, 1772, 1852, 2215, 2315, 3101, 3241, 4430, 4630, 6202, 6482, 8860, 9260, 12404, 12964, 15505, 16205, 31010, 32410, 62020, 64820, 205109, 410218, 820436, 1025545, 1435763, 2051090, 2871526, 4102180, 5743052, 7178815, 14357630, 28715260]

約数ペア:

[(1, 28715260), (2, 14357630), (4, 7178815), (5, 5743052), (7, 4102180), (10, 2871526), (14, 2051090), (20, 1435763), (28, 1025545), (35, 820436), (70, 410218), (140, 205109), (443, 64820), (463, 62020), (886, 32410), (926, 31010), (1772, 16205), (1852, 15505), (2215, 12964), (2315, 12404), (3101, 9260), (3241, 8860), (4430, 6482), (4630, 6202)]