28103740

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{191}}^1\times {\mathrm{1051}}^1$

素因数の和:1258

約数の個数: 48

約数和(自身を含む): 67866624

約数和(自身を除く): 39762884

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 191, 382, 764, 955, 1051, 1337, 1910, 2102, 2674, 3820, 4204, 5255, 5348, 6685, 7357, 10510, 13370, 14714, 21020, 26740, 29428, 36785, 73570, 147140, 200741, 401482, 802964, 1003705, 1405187, 2007410, 2810374, 4014820, 5620748, 7025935, 14051870, 28103740]

約数ペア:

[(1, 28103740), (2, 14051870), (4, 7025935), (5, 5620748), (7, 4014820), (10, 2810374), (14, 2007410), (20, 1405187), (28, 1003705), (35, 802964), (70, 401482), (140, 200741), (191, 147140), (382, 73570), (764, 36785), (955, 29428), (1051, 26740), (1337, 21020), (1910, 14714), (2102, 13370), (2674, 10510), (3820, 7357), (4204, 6685), (5255, 5348)]