290428880

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{43}}^1\times {\mathrm{1723}}^1$

素因数の和:1793

約数の個数: 120

約数和(自身を含む): 804225312

約数和(自身を除く): 513796432

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 43, 49, 56, 70, 80, 86, 98, 112, 140, 172, 196, 215, 245, 280, 301, 344, 392, 430, 490, 560, 602, 688, 784, 860, 980, 1204, 1505, 1720, 1723, 1960, 2107, 2408, 3010, 3440, 3446, 3920, 4214, 4816, 6020, 6892, 8428, 8615, 10535, 12040, 12061, 13784, 16856, 17230, 21070, 24080, 24122, 27568, 33712, 34460, 42140, 48244, 60305, 68920, 74089, 84280, 84427, 96488, 120610, 137840, 148178, 168560, 168854, 192976, 241220, 296356, 337708, 370445, 422135, 482440, 518623, 592712, 675416, 740890, 844270, 964880, 1037246, 1185424, 1350832, 1481780, 1688540, 2074492, 2593115, 2963560, 3377080, 3630361, 4148984, 5186230, 5927120, 6754160, 7260722, 8297968, 10372460, 14521444, 18151805, 20744920, 29042888, 36303610, 41489840, 58085776, 72607220, 145214440, 290428880]

約数ペア:

[(1, 290428880), (2, 145214440), (4, 72607220), (5, 58085776), (7, 41489840), (8, 36303610), (10, 29042888), (14, 20744920), (16, 18151805), (20, 14521444), (28, 10372460), (35, 8297968), (40, 7260722), (43, 6754160), (49, 5927120), (56, 5186230), (70, 4148984), (80, 3630361), (86, 3377080), (98, 2963560), (112, 2593115), (140, 2074492), (172, 1688540), (196, 1481780), (215, 1350832), (245, 1185424), (280, 1037246), (301, 964880), (344, 844270), (392, 740890), (430, 675416), (490, 592712), (560, 518623), (602, 482440), (688, 422135), (784, 370445), (860, 337708), (980, 296356), (1204, 241220), (1505, 192976), (1720, 168854), (1723, 168560), (1960, 148178), (2107, 137840), (2408, 120610), (3010, 96488), (3440, 84427), (3446, 84280), (3920, 74089), (4214, 68920), (4816, 60305), (6020, 48244), (6892, 42140), (8428, 34460), (8615, 33712), (10535, 27568), (12040, 24122), (12061, 24080), (13784, 21070), (16856, 17230)]