209511680

素因数分解:

$2^8\times 5^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{349}}^1$

素因数の和:444

約数の個数: 144

約数和(自身を含む): 583766400

約数和(自身を除く): 374254720

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 67, 70, 80, 112, 128, 134, 140, 160, 224, 256, 268, 280, 320, 335, 349, 448, 469, 536, 560, 640, 670, 698, 896, 938, 1072, 1120, 1280, 1340, 1396, 1745, 1792, 1876, 2144, 2240, 2345, 2443, 2680, 2792, 3490, 3752, 4288, 4480, 4690, 4886, 5360, 5584, 6980, 7504, 8576, 8960, 9380, 9772, 10720, 11168, 12215, 13960, 15008, 17152, 18760, 19544, 21440, 22336, 23383, 24430, 27920, 30016, 37520, 39088, 42880, 44672, 46766, 48860, 55840, 60032, 75040, 78176, 85760, 89344, 93532, 97720, 111680, 116915, 120064, 150080, 156352, 163681, 187064, 195440, 223360, 233830, 300160, 312704, 327362, 374128, 390880, 446720, 467660, 600320, 625408, 654724, 748256, 781760, 818405, 935320, 1309448, 1496512, 1563520, 1636810, 1870640, 2618896, 2993024, 3127040, 3273620, 3741280, 5237792, 5986048, 6547240, 7482560, 10475584, 13094480, 14965120, 20951168, 26188960, 29930240, 41902336, 52377920, 104755840, 209511680]

約数ペア:

[(1, 209511680), (2, 104755840), (4, 52377920), (5, 41902336), (7, 29930240), (8, 26188960), (10, 20951168), (14, 14965120), (16, 13094480), (20, 10475584), (28, 7482560), (32, 6547240), (35, 5986048), (40, 5237792), (56, 3741280), (64, 3273620), (67, 3127040), (70, 2993024), (80, 2618896), (112, 1870640), (128, 1636810), (134, 1563520), (140, 1496512), (160, 1309448), (224, 935320), (256, 818405), (268, 781760), (280, 748256), (320, 654724), (335, 625408), (349, 600320), (448, 467660), (469, 446720), (536, 390880), (560, 374128), (640, 327362), (670, 312704), (698, 300160), (896, 233830), (938, 223360), (1072, 195440), (1120, 187064), (1280, 163681), (1340, 156352), (1396, 150080), (1745, 120064), (1792, 116915), (1876, 111680), (2144, 97720), (2240, 93532), (2345, 89344), (2443, 85760), (2680, 78176), (2792, 75040), (3490, 60032), (3752, 55840), (4288, 48860), (4480, 46766), (4690, 44672), (4886, 42880), (5360, 39088), (5584, 37520), (6980, 30016), (7504, 27920), (8576, 24430), (8960, 23383), (9380, 22336), (9772, 21440), (10720, 19544), (11168, 18760), (12215, 17152), (13960, 15008)]