208759040

素因数分解:

$2^8\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{1013}}^1$

素因数の和:1064

約数の個数: 144

約数和(自身を含む): 596913408

約数和(自身を除く): 388154368

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 23, 28, 32, 35, 40, 46, 56, 64, 70, 80, 92, 112, 115, 128, 140, 160, 161, 184, 224, 230, 256, 280, 320, 322, 368, 448, 460, 560, 640, 644, 736, 805, 896, 920, 1013, 1120, 1280, 1288, 1472, 1610, 1792, 1840, 2026, 2240, 2576, 2944, 3220, 3680, 4052, 4480, 5065, 5152, 5888, 6440, 7091, 7360, 8104, 8960, 10130, 10304, 12880, 14182, 14720, 16208, 20260, 20608, 23299, 25760, 28364, 29440, 32416, 35455, 40520, 41216, 46598, 51520, 56728, 64832, 70910, 81040, 93196, 103040, 113456, 116495, 129664, 141820, 162080, 163093, 186392, 206080, 226912, 232990, 259328, 283640, 324160, 326186, 372784, 453824, 465980, 567280, 648320, 652372, 745568, 815465, 907648, 931960, 1134560, 1296640, 1304744, 1491136, 1630930, 1815296, 1863920, 2269120, 2609488, 2982272, 3261860, 3727840, 4538240, 5218976, 5964544, 6523720, 7455680, 9076480, 10437952, 13047440, 14911360, 20875904, 26094880, 29822720, 41751808, 52189760, 104379520, 208759040]

約数ペア:

[(1, 208759040), (2, 104379520), (4, 52189760), (5, 41751808), (7, 29822720), (8, 26094880), (10, 20875904), (14, 14911360), (16, 13047440), (20, 10437952), (23, 9076480), (28, 7455680), (32, 6523720), (35, 5964544), (40, 5218976), (46, 4538240), (56, 3727840), (64, 3261860), (70, 2982272), (80, 2609488), (92, 2269120), (112, 1863920), (115, 1815296), (128, 1630930), (140, 1491136), (160, 1304744), (161, 1296640), (184, 1134560), (224, 931960), (230, 907648), (256, 815465), (280, 745568), (320, 652372), (322, 648320), (368, 567280), (448, 465980), (460, 453824), (560, 372784), (640, 326186), (644, 324160), (736, 283640), (805, 259328), (896, 232990), (920, 226912), (1013, 206080), (1120, 186392), (1280, 163093), (1288, 162080), (1472, 141820), (1610, 129664), (1792, 116495), (1840, 113456), (2026, 103040), (2240, 93196), (2576, 81040), (2944, 70910), (3220, 64832), (3680, 56728), (4052, 51520), (4480, 46598), (5065, 41216), (5152, 40520), (5888, 35455), (6440, 32416), (7091, 29440), (7360, 28364), (8104, 25760), (8960, 23299), (10130, 20608), (10304, 20260), (12880, 16208), (14182, 14720)]