280987168

素因数分解:

$2^5\times 7^2\times {\mathrm{11}}^2\times {\mathrm{1481}}^1$

素因数の和:1527

約数の個数: 108

約数和(自身を含む): 707807646

約数和(自身を除く): 426820478

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 32, 44, 49, 56, 77, 88, 98, 112, 121, 154, 176, 196, 224, 242, 308, 352, 392, 484, 539, 616, 784, 847, 968, 1078, 1232, 1481, 1568, 1694, 1936, 2156, 2464, 2962, 3388, 3872, 4312, 5924, 5929, 6776, 8624, 10367, 11848, 11858, 13552, 16291, 17248, 20734, 23696, 23716, 27104, 32582, 41468, 47392, 47432, 65164, 72569, 82936, 94864, 114037, 130328, 145138, 165872, 179201, 189728, 228074, 260656, 290276, 331744, 358402, 456148, 521312, 580552, 716804, 798259, 912296, 1161104, 1254407, 1433608, 1596518, 1824592, 2322208, 2508814, 2867216, 3193036, 3649184, 5017628, 5734432, 6386072, 8780849, 10035256, 12772144, 17561698, 20070512, 25544288, 35123396, 40141024, 70246792, 140493584, 280987168]

約数ペア:

[(1, 280987168), (2, 140493584), (4, 70246792), (7, 40141024), (8, 35123396), (11, 25544288), (14, 20070512), (16, 17561698), (22, 12772144), (28, 10035256), (32, 8780849), (44, 6386072), (49, 5734432), (56, 5017628), (77, 3649184), (88, 3193036), (98, 2867216), (112, 2508814), (121, 2322208), (154, 1824592), (176, 1596518), (196, 1433608), (224, 1254407), (242, 1161104), (308, 912296), (352, 798259), (392, 716804), (484, 580552), (539, 521312), (616, 456148), (784, 358402), (847, 331744), (968, 290276), (1078, 260656), (1232, 228074), (1481, 189728), (1568, 179201), (1694, 165872), (1936, 145138), (2156, 130328), (2464, 114037), (2962, 94864), (3388, 82936), (3872, 72569), (4312, 65164), (5924, 47432), (5929, 47392), (6776, 41468), (8624, 32582), (10367, 27104), (11848, 23716), (11858, 23696), (13552, 20734), (16291, 17248)]