820263136

素因数分解:

$2^5\times 7^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{2503}}^1$

素因数の和:2557

約数の個数: 144

約数和(自身を含む): 2158047360

約数和(自身を除く): 1337784224

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 19, 22, 28, 32, 38, 44, 49, 56, 76, 77, 88, 98, 112, 133, 152, 154, 176, 196, 209, 224, 266, 304, 308, 352, 392, 418, 532, 539, 608, 616, 784, 836, 931, 1064, 1078, 1232, 1463, 1568, 1672, 1862, 2128, 2156, 2464, 2503, 2926, 3344, 3724, 4256, 4312, 5006, 5852, 6688, 7448, 8624, 10012, 10241, 11704, 14896, 17248, 17521, 20024, 20482, 23408, 27533, 29792, 35042, 40048, 40964, 46816, 47557, 55066, 70084, 80096, 81928, 95114, 110132, 122647, 140168, 163856, 190228, 192731, 220264, 245294, 280336, 327712, 332899, 380456, 385462, 440528, 490588, 523127, 560672, 665798, 760912, 770924, 881056, 981176, 1046254, 1331596, 1349117, 1521824, 1541848, 1962352, 2092508, 2330293, 2663192, 2698234, 3083696, 3661889, 3924704, 4185016, 4660586, 5326384, 5396468, 6167392, 7323778, 8370032, 9321172, 10652768, 10792936, 14647556, 16740064, 18642344, 21585872, 25633223, 29295112, 37284688, 43171744, 51266446, 58590224, 74569376, 102532892, 117180448, 205065784, 410131568, 820263136]

約数ペア:

[(1, 820263136), (2, 410131568), (4, 205065784), (7, 117180448), (8, 102532892), (11, 74569376), (14, 58590224), (16, 51266446), (19, 43171744), (22, 37284688), (28, 29295112), (32, 25633223), (38, 21585872), (44, 18642344), (49, 16740064), (56, 14647556), (76, 10792936), (77, 10652768), (88, 9321172), (98, 8370032), (112, 7323778), (133, 6167392), (152, 5396468), (154, 5326384), (176, 4660586), (196, 4185016), (209, 3924704), (224, 3661889), (266, 3083696), (304, 2698234), (308, 2663192), (352, 2330293), (392, 2092508), (418, 1962352), (532, 1541848), (539, 1521824), (608, 1349117), (616, 1331596), (784, 1046254), (836, 981176), (931, 881056), (1064, 770924), (1078, 760912), (1232, 665798), (1463, 560672), (1568, 523127), (1672, 490588), (1862, 440528), (2128, 385462), (2156, 380456), (2464, 332899), (2503, 327712), (2926, 280336), (3344, 245294), (3724, 220264), (4256, 192731), (4312, 190228), (5006, 163856), (5852, 140168), (6688, 122647), (7448, 110132), (8624, 95114), (10012, 81928), (10241, 80096), (11704, 70084), (14896, 55066), (17248, 47557), (17521, 46816), (20024, 40964), (20482, 40048), (23408, 35042), (27533, 29792)]