351969280

素因数分解:

$2^{13}\times 5^1\times {\mathrm{13}}^1\times {\mathrm{661}}^1$

素因数の和:705

約数の個数: 112

約数和(自身を含む): 911025864

約数和(自身を除く): 559056584

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 128, 130, 160, 208, 256, 260, 320, 416, 512, 520, 640, 661, 832, 1024, 1040, 1280, 1322, 1664, 2048, 2080, 2560, 2644, 3305, 3328, 4096, 4160, 5120, 5288, 6610, 6656, 8192, 8320, 8593, 10240, 10576, 13220, 13312, 16640, 17186, 20480, 21152, 26440, 26624, 33280, 34372, 40960, 42304, 42965, 52880, 53248, 66560, 68744, 84608, 85930, 105760, 106496, 133120, 137488, 169216, 171860, 211520, 266240, 274976, 338432, 343720, 423040, 532480, 549952, 676864, 687440, 846080, 1099904, 1353728, 1374880, 1692160, 2199808, 2707456, 2749760, 3384320, 4399616, 5414912, 5499520, 6768640, 8799232, 10999040, 13537280, 17598464, 21998080, 27074560, 35196928, 43996160, 70393856, 87992320, 175984640, 351969280]

約数ペア:

[(1, 351969280), (2, 175984640), (4, 87992320), (5, 70393856), (8, 43996160), (10, 35196928), (13, 27074560), (16, 21998080), (20, 17598464), (26, 13537280), (32, 10999040), (40, 8799232), (52, 6768640), (64, 5499520), (65, 5414912), (80, 4399616), (104, 3384320), (128, 2749760), (130, 2707456), (160, 2199808), (208, 1692160), (256, 1374880), (260, 1353728), (320, 1099904), (416, 846080), (512, 687440), (520, 676864), (640, 549952), (661, 532480), (832, 423040), (1024, 343720), (1040, 338432), (1280, 274976), (1322, 266240), (1664, 211520), (2048, 171860), (2080, 169216), (2560, 137488), (2644, 133120), (3305, 106496), (3328, 105760), (4096, 85930), (4160, 84608), (5120, 68744), (5288, 66560), (6610, 53248), (6656, 52880), (8192, 42965), (8320, 42304), (8593, 40960), (10240, 34372), (10576, 33280), (13220, 26624), (13312, 26440), (16640, 21152), (17186, 20480)]