28920752

素因数分解:

$2^4\times 7^1\times {\mathrm{23}}^1\times {\mathrm{103}}^1\times {\mathrm{109}}^1$

素因数の和:250

約数の個数: 80

約数和(自身を含む): 68090880

約数和(自身を除く): 39170128

約数列:

[1, 2, 4, 7, 8, 14, 16, 23, 28, 46, 56, 92, 103, 109, 112, 161, 184, 206, 218, 322, 368, 412, 436, 644, 721, 763, 824, 872, 1288, 1442, 1526, 1648, 1744, 2369, 2507, 2576, 2884, 3052, 4738, 5014, 5768, 6104, 9476, 10028, 11227, 11536, 12208, 16583, 17549, 18952, 20056, 22454, 33166, 35098, 37904, 40112, 44908, 66332, 70196, 78589, 89816, 132664, 140392, 157178, 179632, 258221, 265328, 280784, 314356, 516442, 628712, 1032884, 1257424, 1807547, 2065768, 3615094, 4131536, 7230188, 14460376, 28920752]

約数ペア:

[(1, 28920752), (2, 14460376), (4, 7230188), (7, 4131536), (8, 3615094), (14, 2065768), (16, 1807547), (23, 1257424), (28, 1032884), (46, 628712), (56, 516442), (92, 314356), (103, 280784), (109, 265328), (112, 258221), (161, 179632), (184, 157178), (206, 140392), (218, 132664), (322, 89816), (368, 78589), (412, 70196), (436, 66332), (644, 44908), (721, 40112), (763, 37904), (824, 35098), (872, 33166), (1288, 22454), (1442, 20056), (1526, 18952), (1648, 17549), (1744, 16583), (2369, 12208), (2507, 11536), (2576, 11227), (2884, 10028), (3052, 9476), (4738, 6104), (5014, 5768)]