214958720

素因数分解:

$2^7\times 5^1\times {\mathrm{43}}^1\times {\mathrm{73}}^1\times {\mathrm{107}}^1$

素因数の和:242

約数の個数: 128

約数和(自身を含む): 538021440

約数和(自身を除く): 323062720

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 43, 64, 73, 80, 86, 107, 128, 146, 160, 172, 214, 215, 292, 320, 344, 365, 428, 430, 535, 584, 640, 688, 730, 856, 860, 1070, 1168, 1376, 1460, 1712, 1720, 2140, 2336, 2752, 2920, 3139, 3424, 3440, 4280, 4601, 4672, 5504, 5840, 6278, 6848, 6880, 7811, 8560, 9202, 9344, 11680, 12556, 13696, 13760, 15622, 15695, 17120, 18404, 23005, 23360, 25112, 27520, 31244, 31390, 34240, 36808, 39055, 46010, 46720, 50224, 62488, 62780, 68480, 73616, 78110, 92020, 100448, 124976, 125560, 147232, 156220, 184040, 200896, 249952, 251120, 294464, 312440, 335873, 368080, 401792, 499904, 502240, 588928, 624880, 671746, 736160, 999808, 1004480, 1249760, 1343492, 1472320, 1679365, 2008960, 2499520, 2686984, 2944640, 3358730, 4999040, 5373968, 6717460, 10747936, 13434920, 21495872, 26869840, 42991744, 53739680, 107479360, 214958720]

約数ペア:

[(1, 214958720), (2, 107479360), (4, 53739680), (5, 42991744), (8, 26869840), (10, 21495872), (16, 13434920), (20, 10747936), (32, 6717460), (40, 5373968), (43, 4999040), (64, 3358730), (73, 2944640), (80, 2686984), (86, 2499520), (107, 2008960), (128, 1679365), (146, 1472320), (160, 1343492), (172, 1249760), (214, 1004480), (215, 999808), (292, 736160), (320, 671746), (344, 624880), (365, 588928), (428, 502240), (430, 499904), (535, 401792), (584, 368080), (640, 335873), (688, 312440), (730, 294464), (856, 251120), (860, 249952), (1070, 200896), (1168, 184040), (1376, 156220), (1460, 147232), (1712, 125560), (1720, 124976), (2140, 100448), (2336, 92020), (2752, 78110), (2920, 73616), (3139, 68480), (3424, 62780), (3440, 62488), (4280, 50224), (4601, 46720), (4672, 46010), (5504, 39055), (5840, 36808), (6278, 34240), (6848, 31390), (6880, 31244), (7811, 27520), (8560, 25112), (9202, 23360), (9344, 23005), (11680, 18404), (12556, 17120), (13696, 15695), (13760, 15622)]