199982080

素因数分解:

$2^{10}\times 5^1\times {\mathrm{139}}^1\times {\mathrm{281}}^1$

素因数の和:445

約数の個数: 88

約数和(自身を含む): 484893360

約数和(自身を除く): 284911280

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 139, 160, 256, 278, 281, 320, 512, 556, 562, 640, 695, 1024, 1112, 1124, 1280, 1390, 1405, 2224, 2248, 2560, 2780, 2810, 4448, 4496, 5120, 5560, 5620, 8896, 8992, 11120, 11240, 17792, 17984, 22240, 22480, 35584, 35968, 39059, 44480, 44960, 71168, 71936, 78118, 88960, 89920, 142336, 143872, 156236, 177920, 179840, 195295, 287744, 312472, 355840, 359680, 390590, 624944, 711680, 719360, 781180, 1249888, 1438720, 1562360, 2499776, 3124720, 4999552, 6249440, 9999104, 12498880, 19998208, 24997760, 39996416, 49995520, 99991040, 199982080]

約数ペア:

[(1, 199982080), (2, 99991040), (4, 49995520), (5, 39996416), (8, 24997760), (10, 19998208), (16, 12498880), (20, 9999104), (32, 6249440), (40, 4999552), (64, 3124720), (80, 2499776), (128, 1562360), (139, 1438720), (160, 1249888), (256, 781180), (278, 719360), (281, 711680), (320, 624944), (512, 390590), (556, 359680), (562, 355840), (640, 312472), (695, 287744), (1024, 195295), (1112, 179840), (1124, 177920), (1280, 156236), (1390, 143872), (1405, 142336), (2224, 89920), (2248, 88960), (2560, 78118), (2780, 71936), (2810, 71168), (4448, 44960), (4496, 44480), (5120, 39059), (5560, 35968), (5620, 35584), (8896, 22480), (8992, 22240), (11120, 17984), (11240, 17792)]