209897448

素因数分解:

$2^3\times 3^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{239}}^1$

素因数の和:351

約数の個数: 128

約数和(自身を含む): 577843200

約数和(自身を除く): 367945752

約数列:

[1, 2, 3, 4, 6, 8, 12, 23, 24, 37, 43, 46, 69, 74, 86, 92, 111, 129, 138, 148, 172, 184, 222, 239, 258, 276, 296, 344, 444, 478, 516, 552, 717, 851, 888, 956, 989, 1032, 1434, 1591, 1702, 1912, 1978, 2553, 2868, 2967, 3182, 3404, 3956, 4773, 5106, 5497, 5736, 5934, 6364, 6808, 7912, 8843, 9546, 10212, 10277, 10994, 11868, 12728, 16491, 17686, 19092, 20424, 20554, 21988, 23736, 26529, 30831, 32982, 35372, 36593, 38184, 41108, 43976, 53058, 61662, 65964, 70744, 73186, 82216, 106116, 109779, 123324, 131928, 146372, 203389, 212232, 219558, 236371, 246648, 292744, 380249, 406778, 439116, 472742, 610167, 709113, 760498, 813556, 878232, 945484, 1140747, 1220334, 1418226, 1520996, 1627112, 1890968, 2281494, 2440668, 2836452, 3041992, 4562988, 4881336, 5672904, 8745727, 9125976, 17491454, 26237181, 34982908, 52474362, 69965816, 104948724, 209897448]

約数ペア:

[(1, 209897448), (2, 104948724), (3, 69965816), (4, 52474362), (6, 34982908), (8, 26237181), (12, 17491454), (23, 9125976), (24, 8745727), (37, 5672904), (43, 4881336), (46, 4562988), (69, 3041992), (74, 2836452), (86, 2440668), (92, 2281494), (111, 1890968), (129, 1627112), (138, 1520996), (148, 1418226), (172, 1220334), (184, 1140747), (222, 945484), (239, 878232), (258, 813556), (276, 760498), (296, 709113), (344, 610167), (444, 472742), (478, 439116), (516, 406778), (552, 380249), (717, 292744), (851, 246648), (888, 236371), (956, 219558), (989, 212232), (1032, 203389), (1434, 146372), (1591, 131928), (1702, 123324), (1912, 109779), (1978, 106116), (2553, 82216), (2868, 73186), (2967, 70744), (3182, 65964), (3404, 61662), (3956, 53058), (4773, 43976), (5106, 41108), (5497, 38184), (5736, 36593), (5934, 35372), (6364, 32982), (6808, 30831), (7912, 26529), (8843, 23736), (9546, 21988), (10212, 20554), (10277, 20424), (10994, 19092), (11868, 17686), (12728, 16491)]