219950896

素因数分解:

$2^4\times {\mathrm{11}}^2\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{163}}^1$

素因数の和:251

約数の個数: 120

約数和(自身を含む): 511186032

約数和(自身を除く): 291235136

約数列:

[1, 2, 4, 8, 11, 16, 17, 22, 34, 41, 44, 68, 82, 88, 121, 136, 163, 164, 176, 187, 242, 272, 326, 328, 374, 451, 484, 652, 656, 697, 748, 902, 968, 1304, 1394, 1496, 1793, 1804, 1936, 2057, 2608, 2771, 2788, 2992, 3586, 3608, 4114, 4961, 5542, 5576, 6683, 7172, 7216, 7667, 8228, 9922, 11084, 11152, 13366, 14344, 15334, 16456, 19723, 19844, 22168, 26732, 28688, 30481, 30668, 32912, 39446, 39688, 44336, 53464, 60962, 61336, 73513, 78892, 79376, 84337, 106928, 113611, 121924, 122672, 147026, 157784, 168674, 227222, 243848, 294052, 315568, 335291, 337348, 454444, 487696, 588104, 670582, 674696, 808643, 908888, 1176208, 1249721, 1341164, 1349392, 1617286, 1817776, 2499442, 2682328, 3234572, 4998884, 5364656, 6469144, 9997768, 12938288, 13746931, 19995536, 27493862, 54987724, 109975448, 219950896]

約数ペア:

[(1, 219950896), (2, 109975448), (4, 54987724), (8, 27493862), (11, 19995536), (16, 13746931), (17, 12938288), (22, 9997768), (34, 6469144), (41, 5364656), (44, 4998884), (68, 3234572), (82, 2682328), (88, 2499442), (121, 1817776), (136, 1617286), (163, 1349392), (164, 1341164), (176, 1249721), (187, 1176208), (242, 908888), (272, 808643), (326, 674696), (328, 670582), (374, 588104), (451, 487696), (484, 454444), (652, 337348), (656, 335291), (697, 315568), (748, 294052), (902, 243848), (968, 227222), (1304, 168674), (1394, 157784), (1496, 147026), (1793, 122672), (1804, 121924), (1936, 113611), (2057, 106928), (2608, 84337), (2771, 79376), (2788, 78892), (2992, 73513), (3586, 61336), (3608, 60962), (4114, 53464), (4961, 44336), (5542, 39688), (5576, 39446), (6683, 32912), (7172, 30668), (7216, 30481), (7667, 28688), (8228, 26732), (9922, 22168), (11084, 19844), (11152, 19723), (13366, 16456), (14344, 15334)]