280420448

素因数分解:

$2^5\times 7^1\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{1559}}^1$

素因数の和:1660

約数の個数: 96

約数和(自身を含む): 698181120

約数和(自身を除く): 417760672

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 32, 44, 56, 73, 77, 88, 112, 146, 154, 176, 224, 292, 308, 352, 511, 584, 616, 803, 1022, 1168, 1232, 1559, 1606, 2044, 2336, 2464, 3118, 3212, 4088, 5621, 6236, 6424, 8176, 10913, 11242, 12472, 12848, 16352, 17149, 21826, 22484, 24944, 25696, 34298, 43652, 44968, 49888, 68596, 87304, 89936, 113807, 120043, 137192, 174608, 179872, 227614, 240086, 274384, 349216, 455228, 480172, 548768, 796649, 910456, 960344, 1251877, 1593298, 1820912, 1920688, 2503754, 3186596, 3641824, 3841376, 5007508, 6373192, 8763139, 10015016, 12746384, 17526278, 20030032, 25492768, 35052556, 40060064, 70105112, 140210224, 280420448]

約数ペア:

[(1, 280420448), (2, 140210224), (4, 70105112), (7, 40060064), (8, 35052556), (11, 25492768), (14, 20030032), (16, 17526278), (22, 12746384), (28, 10015016), (32, 8763139), (44, 6373192), (56, 5007508), (73, 3841376), (77, 3641824), (88, 3186596), (112, 2503754), (146, 1920688), (154, 1820912), (176, 1593298), (224, 1251877), (292, 960344), (308, 910456), (352, 796649), (511, 548768), (584, 480172), (616, 455228), (803, 349216), (1022, 274384), (1168, 240086), (1232, 227614), (1559, 179872), (1606, 174608), (2044, 137192), (2336, 120043), (2464, 113807), (3118, 89936), (3212, 87304), (4088, 68596), (5621, 49888), (6236, 44968), (6424, 43652), (8176, 34298), (10913, 25696), (11242, 24944), (12472, 22484), (12848, 21826), (16352, 17149)]