280785192

素因数分解:

$2^3\times 3^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{1249}}^1$

素因数の和:1323

約数の個数: 128

約数和(自身を含む): 810000000

約数和(自身を除く): 529214808

約数列:

[1, 2, 3, 4, 6, 8, 12, 17, 19, 24, 29, 34, 38, 51, 57, 58, 68, 76, 87, 102, 114, 116, 136, 152, 174, 204, 228, 232, 323, 348, 408, 456, 493, 551, 646, 696, 969, 986, 1102, 1249, 1292, 1479, 1653, 1938, 1972, 2204, 2498, 2584, 2958, 3306, 3747, 3876, 3944, 4408, 4996, 5916, 6612, 7494, 7752, 9367, 9992, 11832, 13224, 14988, 18734, 21233, 23731, 28101, 29976, 36221, 37468, 42466, 47462, 56202, 63699, 71193, 72442, 74936, 84932, 94924, 108663, 112404, 127398, 142386, 144884, 169864, 189848, 217326, 224808, 254796, 284772, 289768, 403427, 434652, 509592, 569544, 615757, 688199, 806854, 869304, 1210281, 1231514, 1376398, 1613708, 1847271, 2064597, 2420562, 2463028, 2752796, 3227416, 3694542, 4129194, 4841124, 4926056, 5505592, 7389084, 8258388, 9682248, 11699383, 14778168, 16516776, 23398766, 35098149, 46797532, 70196298, 93595064, 140392596, 280785192]

約数ペア:

[(1, 280785192), (2, 140392596), (3, 93595064), (4, 70196298), (6, 46797532), (8, 35098149), (12, 23398766), (17, 16516776), (19, 14778168), (24, 11699383), (29, 9682248), (34, 8258388), (38, 7389084), (51, 5505592), (57, 4926056), (58, 4841124), (68, 4129194), (76, 3694542), (87, 3227416), (102, 2752796), (114, 2463028), (116, 2420562), (136, 2064597), (152, 1847271), (174, 1613708), (204, 1376398), (228, 1231514), (232, 1210281), (323, 869304), (348, 806854), (408, 688199), (456, 615757), (493, 569544), (551, 509592), (646, 434652), (696, 403427), (969, 289768), (986, 284772), (1102, 254796), (1249, 224808), (1292, 217326), (1479, 189848), (1653, 169864), (1938, 144884), (1972, 142386), (2204, 127398), (2498, 112404), (2584, 108663), (2958, 94924), (3306, 84932), (3747, 74936), (3876, 72442), (3944, 71193), (4408, 63699), (4996, 56202), (5916, 47462), (6612, 42466), (7494, 37468), (7752, 36221), (9367, 29976), (9992, 28101), (11832, 23731), (13224, 21233), (14988, 18734)]