280865704

素因数分解:

$2^3\times 7^1\times {\mathrm{17}}^1\times {\mathrm{31}}^2\times {\mathrm{307}}^1$

素因数の和:399

約数の個数: 96

約数和(自身を含む): 660623040

約数和(自身を除く): 379757336

約数列:

[1, 2, 4, 7, 8, 14, 17, 28, 31, 34, 56, 62, 68, 119, 124, 136, 217, 238, 248, 307, 434, 476, 527, 614, 868, 952, 961, 1054, 1228, 1736, 1922, 2108, 2149, 2456, 3689, 3844, 4216, 4298, 5219, 6727, 7378, 7688, 8596, 9517, 10438, 13454, 14756, 16337, 17192, 19034, 20876, 26908, 29512, 32674, 36533, 38068, 41752, 53816, 65348, 66619, 73066, 76136, 114359, 130696, 133238, 146132, 161789, 228718, 266476, 292264, 295027, 323578, 457436, 532952, 590054, 647156, 914872, 1132523, 1180108, 1294312, 2065189, 2265046, 2360216, 4130378, 4530092, 5015459, 8260756, 9060184, 10030918, 16521512, 20061836, 35108213, 40123672, 70216426, 140432852, 280865704]

約数ペア:

[(1, 280865704), (2, 140432852), (4, 70216426), (7, 40123672), (8, 35108213), (14, 20061836), (17, 16521512), (28, 10030918), (31, 9060184), (34, 8260756), (56, 5015459), (62, 4530092), (68, 4130378), (119, 2360216), (124, 2265046), (136, 2065189), (217, 1294312), (238, 1180108), (248, 1132523), (307, 914872), (434, 647156), (476, 590054), (527, 532952), (614, 457436), (868, 323578), (952, 295027), (961, 292264), (1054, 266476), (1228, 228718), (1736, 161789), (1922, 146132), (2108, 133238), (2149, 130696), (2456, 114359), (3689, 76136), (3844, 73066), (4216, 66619), (4298, 65348), (5219, 53816), (6727, 41752), (7378, 38068), (7688, 36533), (8596, 32674), (9517, 29512), (10438, 26908), (13454, 20876), (14756, 19034), (16337, 17192)]