309681568

素因数分解:

$2^5\times 7^2\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{277}}^1$

素因数の和:355

約数の個数: 144

約数和(自身を含む): 766692864

約数和(自身を除く): 457011296

約数列:

[1, 2, 4, 7, 8, 14, 16, 23, 28, 31, 32, 46, 49, 56, 62, 92, 98, 112, 124, 161, 184, 196, 217, 224, 248, 277, 322, 368, 392, 434, 496, 554, 644, 713, 736, 784, 868, 992, 1108, 1127, 1288, 1426, 1519, 1568, 1736, 1939, 2216, 2254, 2576, 2852, 3038, 3472, 3878, 4432, 4508, 4991, 5152, 5704, 6076, 6371, 6944, 7756, 8587, 8864, 9016, 9982, 11408, 12152, 12742, 13573, 15512, 17174, 18032, 19964, 22816, 24304, 25484, 27146, 31024, 34348, 34937, 36064, 39928, 44597, 48608, 50968, 54292, 60109, 62048, 68696, 69874, 79856, 89194, 101936, 108584, 120218, 137392, 139748, 159712, 178388, 197501, 203872, 217168, 240436, 274784, 279496, 312179, 356776, 395002, 420763, 434336, 480872, 558992, 624358, 713552, 790004, 841526, 961744, 1117984, 1248716, 1382507, 1427104, 1580008, 1683052, 1923488, 2497432, 2765014, 3160016, 3366104, 4994864, 5530028, 6320032, 6732208, 9677549, 9989728, 11060056, 13464416, 19355098, 22120112, 38710196, 44240224, 77420392, 154840784, 309681568]

約数ペア:

[(1, 309681568), (2, 154840784), (4, 77420392), (7, 44240224), (8, 38710196), (14, 22120112), (16, 19355098), (23, 13464416), (28, 11060056), (31, 9989728), (32, 9677549), (46, 6732208), (49, 6320032), (56, 5530028), (62, 4994864), (92, 3366104), (98, 3160016), (112, 2765014), (124, 2497432), (161, 1923488), (184, 1683052), (196, 1580008), (217, 1427104), (224, 1382507), (248, 1248716), (277, 1117984), (322, 961744), (368, 841526), (392, 790004), (434, 713552), (496, 624358), (554, 558992), (644, 480872), (713, 434336), (736, 420763), (784, 395002), (868, 356776), (992, 312179), (1108, 279496), (1127, 274784), (1288, 240436), (1426, 217168), (1519, 203872), (1568, 197501), (1736, 178388), (1939, 159712), (2216, 139748), (2254, 137392), (2576, 120218), (2852, 108584), (3038, 101936), (3472, 89194), (3878, 79856), (4432, 69874), (4508, 68696), (4991, 62048), (5152, 60109), (5704, 54292), (6076, 50968), (6371, 48608), (6944, 44597), (7756, 39928), (8587, 36064), (8864, 34937), (9016, 34348), (9982, 31024), (11408, 27146), (12152, 25484), (12742, 24304), (13573, 22816), (15512, 19964), (17174, 18032)]