206586880

素因数分解:

$2^{10}\times 5^1\times {\mathrm{157}}^1\times {\mathrm{257}}^1$

素因数の和:439

約数の個数: 88

約数和(自身を含む): 500663448

約数和(自身を除く): 294076568

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 157, 160, 256, 257, 314, 320, 512, 514, 628, 640, 785, 1024, 1028, 1256, 1280, 1285, 1570, 2056, 2512, 2560, 2570, 3140, 4112, 5024, 5120, 5140, 6280, 8224, 10048, 10280, 12560, 16448, 20096, 20560, 25120, 32896, 40192, 40349, 41120, 50240, 65792, 80384, 80698, 82240, 100480, 131584, 160768, 161396, 164480, 200960, 201745, 263168, 322792, 328960, 401920, 403490, 645584, 657920, 803840, 806980, 1291168, 1315840, 1613960, 2582336, 3227920, 5164672, 6455840, 10329344, 12911680, 20658688, 25823360, 41317376, 51646720, 103293440, 206586880]

約数ペア:

[(1, 206586880), (2, 103293440), (4, 51646720), (5, 41317376), (8, 25823360), (10, 20658688), (16, 12911680), (20, 10329344), (32, 6455840), (40, 5164672), (64, 3227920), (80, 2582336), (128, 1613960), (157, 1315840), (160, 1291168), (256, 806980), (257, 803840), (314, 657920), (320, 645584), (512, 403490), (514, 401920), (628, 328960), (640, 322792), (785, 263168), (1024, 201745), (1028, 200960), (1256, 164480), (1280, 161396), (1285, 160768), (1570, 131584), (2056, 100480), (2512, 82240), (2560, 80698), (2570, 80384), (3140, 65792), (4112, 50240), (5024, 41120), (5120, 40349), (5140, 40192), (6280, 32896), (8224, 25120), (10048, 20560), (10280, 20096), (12560, 16448)]