254557744

素因数分解:

$2^4\times 7^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{743}}^1$

素因数の和:807

約数の個数: 120

約数和(自身を含む): 631031040

約数和(自身を除く): 376473296

約数列:

[1, 2, 4, 7, 8, 14, 16, 19, 23, 28, 38, 46, 49, 56, 76, 92, 98, 112, 133, 152, 161, 184, 196, 266, 304, 322, 368, 392, 437, 532, 644, 743, 784, 874, 931, 1064, 1127, 1288, 1486, 1748, 1862, 2128, 2254, 2576, 2972, 3059, 3496, 3724, 4508, 5201, 5944, 6118, 6992, 7448, 9016, 10402, 11888, 12236, 14117, 14896, 17089, 18032, 20804, 21413, 24472, 28234, 34178, 36407, 41608, 42826, 48944, 56468, 68356, 72814, 83216, 85652, 98819, 112936, 119623, 136712, 145628, 171304, 197638, 225872, 239246, 273424, 291256, 324691, 342608, 395276, 478492, 582512, 649382, 691733, 790552, 837361, 956984, 1298764, 1383466, 1581104, 1674722, 1913968, 2272837, 2597528, 2766932, 3349444, 4545674, 5195056, 5533864, 6698888, 9091348, 11067728, 13397776, 15909859, 18182696, 31819718, 36365392, 63639436, 127278872, 254557744]

約数ペア:

[(1, 254557744), (2, 127278872), (4, 63639436), (7, 36365392), (8, 31819718), (14, 18182696), (16, 15909859), (19, 13397776), (23, 11067728), (28, 9091348), (38, 6698888), (46, 5533864), (49, 5195056), (56, 4545674), (76, 3349444), (92, 2766932), (98, 2597528), (112, 2272837), (133, 1913968), (152, 1674722), (161, 1581104), (184, 1383466), (196, 1298764), (266, 956984), (304, 837361), (322, 790552), (368, 691733), (392, 649382), (437, 582512), (532, 478492), (644, 395276), (743, 342608), (784, 324691), (874, 291256), (931, 273424), (1064, 239246), (1127, 225872), (1288, 197638), (1486, 171304), (1748, 145628), (1862, 136712), (2128, 119623), (2254, 112936), (2576, 98819), (2972, 85652), (3059, 83216), (3496, 72814), (3724, 68356), (4508, 56468), (5201, 48944), (5944, 42826), (6118, 41608), (6992, 36407), (7448, 34178), (9016, 28234), (10402, 24472), (11888, 21413), (12236, 20804), (14117, 18032), (14896, 17089)]